Question

if sin in( 20 + x) = Cos 60 ° find the value of x​

Answer 1

Answer:

Step-by-step explanation:

sin(90-teta)=cos(teta)

sin(20+x)=sin(90-60)

sin gets cancelled

20+x=30

x=10

it may help u

Answer 2

hey mate!!!

sin(90-(20+x))=cos 60

cos(70-x)=cos 60

70-x=60

x=10