Question

If Cos 2x = sin ( 3x - 10 ) then x is



P plz answer me fast requesti g you plz​

Answer 1

answer is x=20⁰

sin (90⁰-2x )= sin( 3x-10 )

taking sin common

90⁰-2x= 3x-10

90+10=3x+2x

100 =5x

100/5= x

20⁰=x

x=20⁰