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cosx + cosy = 1/3
sinx + siny = 1/4
on squaring and adding both the equation...
2cosx*cosy + 2sinx*siny + 2 = 1/9 + 1/16
2cos(x-y) = 25/16-2
cos(x-y) = 7/16
cos(x-y) = 7/32
hope it helped you....
sinx + siny = 1/4
on squaring and adding both the equation...
2cosx*cosy + 2sinx*siny + 2 = 1/9 + 1/16
2cos(x-y) = 25/16-2
cos(x-y) = 7/16
cos(x-y) = 7/32
hope it helped you....
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i want answer in cot ... please read the question once again answer.... please....
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Hope it is usefull answer
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i want answer in cot... please read the question and answer..... please
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