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Unit Plan
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\n\"Ck\n\n
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\nCK-12 Foundation\n
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\nCk 12: Trigonometry: Secant, Cosecant, and Cotangent Functions\n

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\n\nFor Students\n\n10th - 12th\n\nStandards\n
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\n[Free Registration/Login may be required to access all resource tools.] Calculate the secant, cosecant, and cotangent functions using the sides of a triangle.\n
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\n\nGet Free Access\n\nSee Review\n
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Unit Plan
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\n\"Ck\n\n
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\nCK-12 Foundation\n
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\nCk 12: Trigonometry: Sine and Cosecant Graphs\n

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\n\nFor Students\n\n10th - 12th\n\nStandards\n
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\n[Free Registration/Login may be required to access all resource tools.] Define the sine and cosecant graphs using a unit circle.\n
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Instructional Video
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\n\"Khan\n\n
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\nKhan Academy\n
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\nKhan Academy: Basic Trigonometry: Example: Using Soh Cah Toa\n

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\n\nFor Students\n\n9th - 10th\n
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\nWorked example evaluating sine and cosine using soh cah toa definition. [4:04]\n
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Unit Plan
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\nLawrence Hall of Science\n
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\nThe Math Page: Trigonometry: Analytic Trigonometry the Unit Circle\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nHere is a site that clearly and thoroughly explains the unit circle and all six trigonometric functions of all quadrantal angles. There are example problems solved, problems for the student to attempt, and answers to the student...\n
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\n\nGet Free Access\n\nSee Review\n
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Instructional Video
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\n\"Khan\n\n
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\nKhan Academy\n
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\nKhan Academy: Unit Circle: Example: The Signs of Sine and Cosecant\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nUsing the unit circle definition to think about the signs of the sine and the cosecant of a negative angle. [3:19]\n
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Instructional Video
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\n\"Khan\n\n
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\nKhan Academy\n
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\nKhan Academy: Amplitude and Period Cosine Transformations\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nVisualizing changes in amplitude and period for a cosine function\n
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\n\nGet Free Access\n\nSee Review\n
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Graphic
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\n\"Zona\n\n
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\nCurated OER\n
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\nZona Land: Trigonometry, Right Triangles\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nThis site provides information on sine, cosine, and tangent. Lengths of the sides are discussed and many diagrams/tables are shown.\n
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\n\nGet Free Access\n\nSee Review\n
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Interactive
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\n\"Zona\n\n
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\nCurated OER\n
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\nZona Land: Right Triangle Solver 1\n

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\n\nFor Students\n\n9th - 10th\n
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\nA java applet that will solve a right triangle when you provide information for angle D and its opposite side d.\n
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\n\nGet Free Access\n\nSee Review\n
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\n\"Zona\n\n
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\nCurated OER\n
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\nZona Land: Right Triangle Solver 2\n

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\n\nFor Students\n\n9th - 10th\n
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\nA java applet that will solve a right triangle when you provide angle D and its adjacent side e.\n
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\n\nGet Free Access\n\nSee Review\n
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Interactive
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\n\"Zona\n\n
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\nCurated OER\n
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\nZona Land: Right Triangle Solver 3\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nA java applet that will solve a right triangle when you provide angle D and the length of the hypotenuse f.\n
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\n\nGet Free Access\n\nSee Review\n
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Interactive
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\n\"Zona\n\n
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\nCurated OER\n
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\nZona Land: Right Triangle Solver 4\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nA java applet that will solve a right triangle when you provide side lengths for d (long side) and e (short side).\n
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\n\nGet Free Access\n\nSee Review\n
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Interactive
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\n\"Zona\n\n
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\nCurated OER\n
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\nZona Land: Right Triangle Solver 5\n

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\n\nFor Students\n\n9th - 10th\n
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\nA java applet that will solve a right triangle when you provide the lengths of side e (short side) and side f (hypotenuse).\n
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\n\nGet Free Access\n\nSee Review\n
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Interactive
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\n\"Zona\n\n
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\nCurated OER\n
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\nZona Land: Right Triangle Solver 6\n

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\n\nFor Students\n\n9th - 10th\n
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\nA java applet that will solve a right triangle when you provide the lengths for side d (long side) and for side f (hypotenuse).\n
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\n\nGet Free Access\n\nSee Review\n
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Activity
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\n\"Ojk's\n\n
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\nWindstream\n
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\nOjk's Precalculus Study Page: Double and Half Angle Formulas\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nThis tutorial introduces the double-angle and half-angle formulas for sine, cosine, and tangent, and gives sample application and proof exercises. Assumes knowledge of the sum and difference formulas.\n
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Primary
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\n\"Ojk's\n\n
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\nWindstream\n
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\nOjk's Precalculus Study Page: The Law of Cosines\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nAn introduction to solving acute and obtuse triangles by using the law of cosines, including a derivation of the formula. Includes several pistures and examples.\n
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Graphic
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\n\"Npac\n\n
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\nNortheast Parallel Architectures Center, Syracuse University\n
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\nNpac Reu Program: Radians\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nNortheast Parallel Architectures Center of Syracuse University offers a quick overview of radian measurement of angles. Also includes an example.\n
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\n\nGet Free Access\n\nSee Review\n
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