Prove that sinO+cosO /sinO-cos O + sin O -cosO/sin O +cosO=2sec^2O/tan^2O-1
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riyaroy43:
only 300 out of the 2700 species are venomous
the answer is absolutely not -2!!!!!!!
it is -2/cos(2*theta)
because u cannot turn the minus sign from between sin^2 and cos^2 to plus.
no problems. take vare
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