if cos thetha + sin tetha = √2 cos tetha then , cos tetha - sin tetha ??
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Hey mate, here is your answer.
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yuvrajkj:
the answer is cos© - sin© = 0
which means cos © = sin ©
so cos© + sin© = cos© + cos©
2cos© = ✓2
cos© = 1/✓2
seni taniyorum
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