Find the exact value of the expression. Do not use a calculator.cos [cos-1 (-0.9372)]

A. 0.4686
B. 0.9372
C. -0.9372
D. -0.4686

Answer: C

Mathematics

You might also like to view...

Graph the pair of parametric equations with the aid of a graphing calculator.x = cos 4t, y = sin 3t, 0 ? t ? 2?

A.

B.

C.

D.

View
Mathematics

Perform the indicated operation.(-2.1) + (2.3)

A. 4.4 B. 0.2 C. -0.2 D. -4.4

View
Mathematics

Solve.t2 - 2t - 15 ? 0

A. (-?, -3] ? [5, ?), or {tt ? -3 or t ? 5}
B. [5, ?), or {tt ? 5}
C. (-?, -3], or {tt ? -3}
D. [-3, 5], or {t-3 ? t ? 5}

View
Mathematics

Solve the equation.15d2 + 37d + 20 = 0

A.
B.
C.
D.

View
Mathematics