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    Prove a Trigonometric Identity for Tangent and Cotangent

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    Prove: (1+ cot^2 θ/1+tan^2 θ)=cot^2 θ.

    © BrainMass Inc. brainmass.com March 4, 2021, 6:22 pm ad1c9bdddf
    https://brainmass.com/math/trigonometry/prove-trigonometric-identity-tangent-cotangent-42465

    Solution Preview

    tan u = sin u/cos u

    cot u = cos u/ sin u

    1 + cot^2 u = 1 + cos^2u/ sin^2u =[ sin^2 ...

    Solution Summary

    A trigonometric identity is proven and the details are provided in the solution The solution is detailed and well presented.

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