tan 15°. tan 30°. tan 45º. tan 60°. tan 75º = 1​

Question

tan 15°. tan 30°. tan 45º. tan 60°. tan 75º = 1​

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Josephine 3 weeks 2021-08-20T19:22:22+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-08-20T19:23:40+00:00

    1

    Step-by-step explanation:

    tan(90-75).1/3^½.1.3½.tan75

    cot75.tan75

    1

    0
    2021-08-20T19:23:40+00:00

    Step-by-step explanation:

    tan15.tan75.tan30.tan60.tan45

    =tan15.cot15.tan30.cot30.tan45

    =1.1.1

    =1

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