Vocab Flashcard 11 in Trigonometry

Front

Equation modeled by the picture:

Back

3² + 4² = 5²

Front

Easy way to remember trigonometric ratios:

Back

Soh Cah Toa

Front

Ratio for COS X

Back

Adj/Hyp

Front

Name side AB concerning the marked angle.

Back

opposite side

Front

Trig ratio for unknown side:

Back

Front

Ratio to find side x?

Back

tangent

Front

Trigonometric ratio to use?

Back

Cosine Ratio

Front

Set up the equation for the marked angle.

Back

Front

To find a missing angle with two sides, use ______

Back

Inverse Trigonometric Functions

Front

Correct ratio:

Back

cos⁻¹(9/20)