Question

Given that cos(x) =

A.
B.
2/3 113
D.
C. 1
13
2/3
3'
Mark this and return
find sin (90-x).
Please select the best answer from the choices provided
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Su

Answer 1

C

Explanation:

cos x and sin(90 - x) are cofunctions and are equal , then

cos x =
`(1)/(3)` , then sin(90 - x) =
`(1)/(3)`