Name
Date
Trig Expressions Practice Quiz
For 1-2, simplify the trig expressions.
1. sin(x)cot(x)
2.
sec
𝑥−cos
𝑥
sec 𝑥
3. Show the following identities are equivalent.
Sin3(x) + sin(x)cos2(x) = sin (x)
4. Find cos(-750)
5. If cos(a) = 12/13 in quadrant 1, and sin(b) = -7/25 in quadrant 4, find sin(a – b).