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Use the fundamental identities to simplify the expression:

cot beta sec beta

I used 1+tan^2u=secu since cot is the inverse of tan. I flipped the tangent, then so it was 1+ (1/tan). But the book's answer is the cosecant of beta. Where did this come from??

  • Trig -

    Fundamental identities include:
    sec(β)=1/cos(β), and

    I will let you take it from here.

  • Trig -

    Is the right answer 1/sinB?

  • Trig -

    That's correct, although 1/sin(β) is generally written as csc(β), as your answer indicates.

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