Yefim S. answered • 12/14/20
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sinθcotθcosθ = sinθcosθ/sinθcosθ = cos2θ = 1 - sin2θ
cscθ(cosθ + sinθ) = 1/sinθcosθ + 1/sinθsinθ = cotθ + 1 = 1 + cotθ
Gab S.
asked • 12/14/20Help with proving trigonometric identities
sin Ө cot Ө cos Ө = 1 – sin2 Ө
1 + cot Ө = csc Ө ( cos Ө + sin Ө )
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