Solve trigonometric equation:-
sin(8x)=cos(7x)
Answers
Answered by
1
Answer:
x=6
Step-by-step explanation:
sin(8x)=cos(7x)
cos(90-8x)=cos(7x)
90-8x=7x
7x+8x=90
15x=90
x=90/15
x=6
Similar questions