96.1k views
2 votes
What is the value of x? sin(x+34)°=cos(2x+20)°

2 Answers

6 votes

Answer:

The value of x is 12

Explanation:

User Yet Another Geek
by
6.1k points
1 vote
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
User BrinkDaDrink
by
6.0k points