How would you solve cos^2(x) = 1/4 please and thank you...
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Originally Posted by CenturionMonkey How would you solve cos^2(x) = 1/4 please and thank you... $\displaystyle \cos^2 x = \frac 14 \implies \cos x = \pm \frac 12$ now what values of x cause that to happen?
how would you go about solving tan2(x) = 8cos^2(x) - cot(x), domain is 0 to 360 please help...
Originally Posted by CenturionMonkey how would you go about solving tan2(x) = 8cos^2(x) - cot(x), domain is 0 to 360 please help... begin by changing everything to sines and cosines and see where you can go from there
hey thanks, but actually i got it a different way, i was doing some simple multiplication wrong. lol. I hate how when you're doing something challenging you tend to undermine the simple stuff. heh.
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