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Post Posted: February 7th, 2004, 9:10 am

can any1 help please,i need an answer for these... 1. sinq (cscq - sinq) = cos2q 2. sin x / 1+cos x/ sin x = 2 cos x 3. ((csc t – cot t) ( sec t + 1)) = tan t 4. csc2q - 1/ cosq = cotq csc q 5. sin u/ 1- cos u = tan u / sec u –1 6. tanq -cotq / cosq + sin q = secq - cscq 7. 1 + cos2q / sin2q = 2csc2...
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