hi I have a problem, sin^2x = 6(cosx +1) how do i solve and get answer pi/3, /3 etc.
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Originally Posted by cokeclassic hi I have a problem, sin^2x = 6(cosx +1) how do i solve and get answer pi/3, /3 etc. Can you finish up from here?
Originally Posted by cokeclassic hi I have a problem, sin^2x = 6(cosx +1) how do i solve and get answer pi/3, /3 etc. Start by substituting . Now re-arrange into a quadratic equation involving . Factorise and solve to get two equations for . The only equation that leads to real solutions is .
Ahh I had it right! I was looking at the wrong answer! Thank you very much
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