(1-tanx)(1-cotx)=2-secxcscx
1 answer:
(1-tanx)(1-cotx)=2-secxcscx
1 - tanx - cotx + 1 = 2 - secxcscx
2 - tanx - cotx = 2 - 1/(sinxcosx)
tanx + cotx = 1/(sinxcosx)
sin^2(x) + cos^2(x) = 1
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