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Vinod Kumar Grade: 11
        
Given sin B = 1/5 sin (2A+B) what is the value of k if tan (A+B) = k tan A
2 years ago

Answers : (1)

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