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Given sin B = 1/5 sin (2A+B) what is the value of k if tan (A+B) = k tan A

Given sin B = 1/5 sin (2A+B) what is the value of k if tan (A+B) = k tan A

Grade:11

1 Answers

Lab Bhattacharjee
121 Points
7 years ago
HINT:
 
5sin{(A+B) -A}= sin{A+(A+B)}
 
Expand  and group sin(A+B)cosA, cos(A+B)sin A

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