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sin x -cos x =1/1.414 find x
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solution: sinx - cosx=1/root2 dividing both sides by root2 sin pi/4.sinx-cos pi/4.cosx=cos pi/3 cos(pi/4+x)=cos pi/3 x=2n pi +- pi/3 - pi/4 x=2n pi +- pi/12 here, n is any integer rate me if that helped.... |
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Who says nothing is impossible. I've been doing nothing for years !!.............. I know KUNG FU KARATE and 47 other dangerous words............. |
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