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August 27, 2014

August 27, 2014

Posted by **Tara** on Monday, January 4, 2010 at 8:58pm.

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 -
**MathMate**, Monday, January 4, 2010 at 9:03pmFundamental identities include:

cot(β)=cos(β)/sin(β)

sec(β)=1/cos(β), and

csc(β)=1/sin(β)

I will let you take it from here.

- Trig -
**Tara**, Monday, January 4, 2010 at 9:10pmIs the right answer 1/sinB?

- Trig -
**MathMate**, Tuesday, January 5, 2010 at 12:02amThat's correct, although 1/sin(β) is generally written as csc(β), as your answer indicates.

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