Evaluating Trig Inverses & Compositions

Front

From what quadrants are the answers for tan⁻¹?

Back

Quadrants 1 and 4

Front

What range of angles can you get from inverse cosine?

Back

0 to π

Front

Why do we limit the answers to the highlighted regions on our chart for inverse trig functions?

Back

to make it a function

Front

sin⁻¹[cosπ] = ?

Back

-π/2

Front

Secant is the reciprocal of what function?

Back

Cosine

Front

What is the range of values for sin⁻¹(x)?

Back

[-π/2, π/2]

Front

What is the range of values for cos⁻¹(x)?

Back

[0, π]

Front

What is the range of values for tan⁻¹(x)?

Back

(-π/2, π/2)

Front

What is the relationship between sine and cosecant?

Back

Cosecant is the reciprocal of sine.

Front

What is the relationship between cosine and secant?

Back

Secant is the reciprocal of cosine.