# Answer to Question #11759 in Trigonometry for ayushi jaiswal

Question #11759

if α+β = 90° find the maximum and minimum values of sinα.sinβ

P/t Sin 25°Cos115°=1/2(Sin40°-1)

P/t tan20 tan40 tan80 = tan60

If Sinθ+Sinɸ=√3(Cosɸ-Cosθ),p/t Sin3θ+Sinɸ=0

If √3 cosec20°-sec20°=4

P/t Sin 25°Cos115°=1/2(Sin40°-1)

P/t tan20 tan40 tan80 = tan60

If Sinθ+Sinɸ=√3(Cosɸ-Cosθ),p/t Sin3θ+Sinɸ=0

If √3 cosec20°-sec20°=4

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