Solve the question 

Asked by debabratap261 | 23rd Feb, 2019, 06:24: PM

Expert Answer:

sin 10θ = cos 8θ
sin 10θ = sin (90 - 8θ)
10θ = 90 - 8θ
18θ = 90
θ = 5
tan 9θ = tan 45 = 1

Answered by Sneha shidid | 23rd Feb, 2019, 07:48: PM