Prove that: cos^2⁡〖θ-sin^2⁡θ 〗/((1-tan^2⁡〖θ)(sin⁡〖θ)〗 〗 )=cot⁡〖θ∙cos⁡θ 〗

asked by guest
on Dec 08, 2023 at 3:51 am



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Prove or disprove that the equation cos⁡2(θ−sin⁡2(θ))1−tan⁡2(θ)sin⁡(θ)=cot⁡(θcos⁡(θ))\frac{\cos^{2}{\left(θ - \sin^{2}{\left(θ \right)} \right)}}{1 - \tan^{2}{\left(θ \right)} \sin{\left(θ \right)}} = \cot{\left(θ \cos{\left(θ \right)} \right)} is an identity.


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