Q44 of 268 Page 4

Find the value off the following:



[∵ cot θ = tan (90° - θ), cos θ = sin (90° - θ) and Sin θ = cos (90° - θ)]



[∵ 1+tan2 θ =sec2 θ and cos2 θ +sin2θ = 1]



= 1 + 1


= 2


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