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M
[Urgent - Trig] How would I prove the followin equation with double angle formulas?
cotx = csc2x + cot2x My Attempt: RS: = 1/sin2x + sin2x/cos2x = (cos2x + sin2x) / (sin2x)(cos2x) = (2cos^2x - 1 + 2sinxcosx) / (2sinxcosx + 1 - 2sin^2x) = 2cos^2x - 1 / 1 - 2sin^2x
Macleef
Thread
Nov 23, 2007
Replies: 2
Forum:
Trigonometry
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