Find the principal values of the following: tan⁻¹(-1)

Question

Find the principal values of the following:
tan⁻¹(-1)

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Ivy 2 weeks 2021-10-07T12:05:34+00:00 1 Answer 0 views 0

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    2021-10-07T12:07:29+00:00

    Answer:

    3π/4

    Step-by-step explanation:

    tan⁻¹(-1)

    tan⁻¹(tan(π/4 +π/2)

    tan⁻¹tan(3π/4)

    3π/4

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