4. Prove that tan(45°+A). tan(45°-A) = 1.​

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4. Prove that tan(45°+A). tan(45°-A) = 1.​

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Maya 4 weeks 2021-11-06T09:46:44+00:00 1 Answer 0 views 0

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    2021-11-06T09:48:07+00:00

    Step-by-step explanation:

    L.H.S, tan(45°+A). tan(45°-A) =tan(45°+A). cot(45°+A)

    =tan(45°+A)/tan(45°+A)

    =1= R.H.S (proved)

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