Question

If cos(40°+x) = sin 30°, find the value of x .

Answer 1

$cos(40 + x) = cos60 \\ 40 + x = 60 \\ x = 20 \: degrees$

Answer 2

Cos(40 + x) = cos (90 - 30)
40 + x = 60
x = 20
The answer for ur question is given
Hope it helps u
Plssssssss mark me brainliest
FOLLOW me pllssssssssssssssssssssssssssssssssssss