If sin alpha =0.2 and cos beta=0.2. Find sin( alpha + beta)

1.	If sin alpha =0.2 and cos beta=0.2. Find sin( alpha + beta)
Answer» Here,Sin α = cos β = 0.2 •°• sinα = cos β Now, according to complementary angle ratios... Cosβ = sin(90-β) so by applying this concept... Sinα = sin(90-β)•°• α = 90-β •°• α+β=90 ----(1) We have to find Sin(α+β) so now according to (1).... Sin(α+β) = Sin(90) and the value of Sin90 = [1]//

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