Solve question no-4

Asked by richasingh0708.bmps | 23rd Jun, 2020, 10:00: PM

Expert Answer:

We have given that tan alpha = 1/7 and sin beta = 1/sqrt{10}
To prove that alpha + 2 beta = pi/4
This can be solved as follows:
 

Answered by Renu Varma | 24th Jun, 2020, 01:24: PM