Question

if sin +cos root 3 then prove that ran theta + cot thetaa =1
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Answer 1

Answer:

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Answer 2

Step-by-step explanation:

sinθ+cosθ=3

=(sinθ+cosθ)2=3

=sin2θ+cos2θ+2sinθcosθ=3

⇒2sinθcosθ=2

⇒sinθcosθ=1

⇒sinθcosθ=sin2θ+cos2θ

⇒1=sinθcosθsin2θ+cos2θ

⇒tanθ+cotθ=1