Trigonometric Ratios

Understanding trigonometric ratios for acute angles. Applying the relationship between the sine and cosine of complementary angles to solve real-world problems.

Mapped to CCSS Section# HSG.SRT.C.6, HSG.SRT.C.7

Understand that by similarity, side ratios in right triangles are properties of the angles in the triangle, leading to definitions of trigonometric ratios for acute angles. Explain and use the relationship between the sine and cosine of complementary angles.