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OpenStudy (anonymous):
SOLVE - {sin(theta+25)-cos(65-theta)+3cos55/7sin35} - {4cos70 cosec^2 theta/7tan5 tan25 tan 45 tan 65 tan 85}
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OpenStudy (oblivious):
do not hurt brain, use calculator
OpenStudy (anonymous):
but i want the steps!
OpenStudy (oblivious):
well then, here is an even better list of trig identities again, good luck with insanity: http://en.wikipedia.org/wiki/List_of_trigonometric_identities
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