Question

If sin(18+x)=cos58 find value of x

Answer 1

14

Explanation:

Since sine and cosine are cofunctions of each other:

`\sin (\theta)= \cos (90-\theta)`

and vice versa. Therefore:

`18+x=90-58 \\\\18+x=32 \\\\x=32-18=14`

Hope this helps!