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katovenus [111]
3 years ago
8

What is the value of x? sin(x+34)°=cos(2x+20)°

Mathematics
1 answer:
vfiekz [6]3 years ago
8 0
We know that
if sin A=cos B
then 
angle A and angle B are complementary angles
so
A+B=90 degrees
in this problem
(x+34)+(2x+20)=90-------> 3x+54=90----> 3x=90-54-----> x=36/3----> x=12°

the answer is
the value of x is 12 degrees
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