I'm stuck on a problem, and I want to figure it out so that I will know it later if it might appear on a test or something.
cot2A = 1/2(cotA-tanA)
Thanks!
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I'm stuck on a problem, and I want to figure it out so that I will know it later if it might appear on a test or something.
cot2A = 1/2(cotA-tanA)
Thanks!
Note the identities:
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