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Right Triangle Trig cosplay   -- just right triangle cosine TraceSin   -- just graph with a slideable point to display coordinates sinplay   -- just right triangle sine tanplay   -- just right triangle cosine Radians radianSector   -- arc length, sector area, radians 30° 45° 60° 90° pdf questions, 30° 45° 60° 90° pdf answers Unit Circle and Identities unitfx   -- 6 functions with a unit circle Pythagorean   -- using only figure to adjust angle PythagorIdentities   -- using either figure or parameter theta to adjust angle Trig SinCosTan1stDay   -- Just sine, cosine, tangent of right triangle angles. SinCosTan6fx   -- All 6 functions in right triangle only. SinCosTanAllNumbers   -- All 6 functions in right triangle and forall numbers,     * controlled by figure for right triangle,     * parameter-defined angle measure in degrees for all measures, and     * parameter-defined angle measure in decimal number times pi for radian measures sinNcos.gsp   -- sine and cosine in right triangle only TraceCos   -- drag point f(x) to state and show new ( x, f(x)) TraceSin   -- drag point f(x) to state and show new ( x, f(x)) 2 Sine Functions -- Asin(Bx-C) + D on 2 functions for comparison also h(x) = sine + cosine SinTraceDerSum -- Sine from many views, right triangle, ABCD, derivative, antiderivative polar.gsp -- r()=asin(b -c)+d

Spread Sheets -- Dynamic Computation sine.xls Graphs y=Asin(Bx-C) +D, where A, B, C, D are input values. Scatter-Plots y=Atan(Bx-C)+D, where A, B, C, D are input values. Graphs two sine functions where A, B, C, D are input values. Graphs one sine function and one cosine function where where A, B, C, D are input values. solvtrg.xls Solve a right triangle. Solve a 45-45-90 triangle. Input leg a. Seek a leg and hypotenuse. Input side c. Seek two legs. Solve a 30-60-90 triangle. Input leg a. Seek a leg and hypotenuse. Input leg b. Seek a leg and hypotenuse. Input side c. Seek the hypotenuse. Use Pythagorean Theorem and arithmetic and basic trig. Input leg a and leg b. Seek the hypotenuse and the angles. Input hypotenuse c and leg a. Seek a leg and the angles. Input angle A and side a. Seek a leg, side, and hypotenuse. Solve any triangle. Use the Sine Law, if a side and the opposite angle are given. Input angles A , B, side a. Seek two sides and an angle. Input angle A , side a, side b. Seek two angles and a side. Use the Law of Cosines. Input sides a, b, c. Seek each angle. Input angle A , sides b,c. Seek no solution, 1 solution, or 2 solutions. sinelaw.xls -- sine law digital manipulative

Triangle Sides & Angles Vocabulary opposite adjacent hypotenuse , alpha, the Greek letter , theta, the Greek letter , gamma, the Greek letter

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