Q19 of 90 Page 8

Given, m sin θ = n sin (θ + 2α)




Using Componendo - Dividendo:









Hence Proved


More from this chapter

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17

If cos (A + B) sin (C – D) = cos (A – B) sin (C + D), prove that tan A tan B tan C + tan D = 0

 18

1

If (cos α + cos β)2 + (sin α + sin β)2 write the value of λ.

 2

Write the value of