G.TR.4.c
Model and solve problems, including those in context, involving right triangle trigonometry (sine, cosine, and tangent ratios).
Khan Academy ResourcesSide ratios in right triangles as a function of the anglesSolving for a side in right triangles with trigonometryTrigonometric ratios in right trianglesRight triangle trigonometry reviewSolve for a side in right trianglesUse ratios in right trianglesRelate ratios in right trianglesSolve for an angle in right trianglesTrig values of π/6, π/4, and π/3Right triangle trigonometry word problemsSolving for a side in right triangles with trigonometryTrigonometric ratios in right trianglesSine equation algebraic solution setCosine equation solution set in an intervalCosine equation algebraic solution setSine & cosine of complementary anglesTrig challenge problem: trig values & side ratiosRight triangle word problemCosine, sine and tangent of π/6 and π/3Using complementary anglesTrig word problem: complementary angles

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