10.4 Practice – Inverse Trig Functions Pre‐Calculus For 1‐9, graph the function. 1) 2 sin
2) Name: _____________________________ cos
3 4) sin
3) tan
6) 3tan
5) cos
7) 2cos
2 8) 2 tan
3sin
9) 2
For 10‐17 , find the exact value of the expression. Do not use a calculator! (radians or degrees both work) 10) sin arcsin
11) cos arcsin
12) cos arccos
√
13) tan arcsin
√
√
15) sin arccsc 2 17) csc arctan 1 14) sec arctan √3 16) cos arcsec
For 18‐25, find the approximate value of the expression by using a calculator. Round to three decimals. Only one answer is necessary. Assume degrees for inverse functions. 20) arcsec 2 21) sec 0.473 19) csc 20° 18) sin
24) arccsc 1.11 22) cot
23) cot
For 26‐29 , use a reference triangle to find the exact value of the expression. 25) sec
26) tan sin
27) sec arccsc
28) csc cot
Skillz Review: Factor Out a Monomial (Undistribute) 6
15 cos
cos Skillz Review: Factor out a Binomial (unFOIL) 3
10 3 sin
sin
10 29) sec sin
2 sin
cos
6 12 sin
8 cos
6 sin 7