pls help me with this question, been working on it for quite some time but still can't figure it out: Given cosecA+cotA=3, evaluate cosecA-cotA and cosA.
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Thus, Square, Thus, Solve for, .
I suspect it's cleaner if you remember relationships between the cosecant and cotangent, but I never do. I always have to look them up. Okay, you do cos(A).
Last edited by TKHunny; August 5th 2007 at 08:23 PM.
Hello, wadevala! Given: . , .evaluate: . Note that: . We have: . Multiply by . . Therefore: . Evaluate: We have: . Square: . . . which simplifies to: . and we have: .
thx for the different ways of going about solving the qns, i understand it much better now
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