Find the exact function value.cos 30°

A.
B.
C.
D.


Answer: D

Mathematics

You might also like to view...

Mentally determine if the number can be written as a terminating decimal

A. Yes B. No

Mathematics

Solve the problem.A size 6 dress in Country C is size 28 in Country D. A function that converts dress sizes in Country C to those in Country D is   Find the inverse of the function.

A. f-1(x) = 
B. f-1(x) = x - 8
C. f-1(x) =   + 8
D. f-1(x) =   - 8

Mathematics

Use a double-angle formula or a half-angle formula to simplify 2sin12cos12.

(a) sin 24 (b) cos 24 (c) sin12 (d) cos12 (e) none of these

Mathematics

Use the properties of exponents to determine the value for x that makes the equation true. ? ?

A.
B. -21
C.
D. 21
E.

Mathematics