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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

Vinod Kumar , 10 Years ago
Grade 11
anser 1 Answers
Lab Bhattacharjee
HINT:
 
5sin{(A+B) -A}= sin{A+(A+B)}
 
Expand  and group sin(A+B)cosA, cos(A+B)sin A
Last Activity: 10 Years ago
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