How do you find tan (-7 pi/2) without using a calculator and what would the answer be?

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How do you find tan (-7 pi/2) without using a calculator and what would the answer be?

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Mộc Miên 1 year 2021-09-04T06:23:33+00:00 1 Answers 3 views 0

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    2021-09-04T06:24:37+00:00

    Answer:

    Step-by-step explanation:

    tan (-7 π/2)=-tan (7π/2)=-tan ( 2π+3π/2)=-tan (3π/2)=-tan (π+π/2)=-tan (π/2)=-∞

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