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trig

posted by on .

verify the identity:

tan^2x(1+cot^2x)=1/1-sin^2x

Verify the Id:
tanx + cotx/ tanx-cotx = (1/sin^2x-cos^2x)

  • trig - ,

    (s^2/c^2)( 1+ c^2/s^2) = ? 1/(1-s^2)

    s^2/c^2 + 1 = ? 1/(c^2)

    (s^2+c^2)/c^2 = = ? 1/(c^2)

    1/c^2 = 1/c^2

  • needs parentheses - ,

    tanx + cotx/ tanx-cotx = (1/sin^2x-cos^2x)

    I can not tell what the numerators and denominators are.

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