233k views
2 votes
what is the value of x s i n (x + 22 degrees )=cos( 2x - 7 degrees )enter your answer in the Box x =

User Roosevelt
by
7.3k points

1 Answer

4 votes
we know that

if sin (x + 22°)=cos (2x - 7°)
then
(x + 22°) and (2x - 7°)------> are complementary angles
so
(x + 22°) +(2x - 7°)=90-------> 3x+15=90------> 3x=75------> x=25°

the answer is
x=25°
User HeatfanJohn
by
7.6k points