find the value of following

Asked by sunil_0010 | 12th Jan, 2010, 09:10: PM

Expert Answer:

3 tanθ = 3 sinθ

1/3 = cosθ

sinθ = (1-cos2θ) = (1 - 1/3) = (2/3)

3(sin2θ - cos2θ) = 3(2/3 - 1/3) = 1

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Answered by  | 12th Jan, 2010, 09:26: PM

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