Use identities to find the exact value of the indicated trigonometric function of the acute angle ?.sin ? = , cos ? = Find sec ?.

A.
B.
C. 3
D. 2


Answer: C

Mathematics

You might also like to view...

Find the indicated sum. Find the sum of the first 7 terms in the geometric series 3 + 9 + 27 + . . .

A. 3279 B. 1092 C. 9840 D. 1122

Mathematics

Evaluate the polynomial.-xyz for x = 1, y = -1, and z = 2

A. 1 B. 16 C. -2 D. 2

Mathematics

Determine whether the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic, find the common difference; if it is geometric, find the common ratio.9, 11, 14,18, ...

A. Arithmetic; d = 9 B. Geometric; r = 81 C. Geometric; r = 9 D. Neither

Mathematics

For the given functions f and g, find the requested composite function.f(x) = -4x + 5, g(x) = 6x + 3;Find (g ? f)(x).

A. -24x + 33 B. -24x - 27 C. -24x + 17 D. 24x + 33

Mathematics