Q. 305.0( 13 Votes )

# If sin θ + cosec

Answer :

Given that, sin θ + cosec θ = 2

Squaring both sides, we get

(sin θ + cosec θ)2 = 22

sin2θ + cosec2θ + 2 sin θ cosec θ = 4 sin2θ + cosec2θ + 2 = 4

sin2θ + cosec2θ = 2

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