Answer:
e) cos(90° - x)
Step-by-step explanation:
we know that
If two angles are complementary, the cofunction identities state that the sine of one equals the cosine of the other and vice versa
The complementary angle of angle x is equal to (90-x) degrees
therefore

Your answer is C.
Hope this helped.
Answer:
a think only thing thats close to my data
Step-by-step explanation:
Answer:
C=75.36
A=452.16
Step-by-step explanation:
C=2x3.14xr
×
×
A=3.14×
3.14x12x12=452.16