CBSE BOARD XII, asked by smahima2105, 1 month ago

what is (cos theta 1 - cos theta 2) over here?

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Answered by nilutiwary2003

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Answer:

here im bracket (cosx1-cosx2) = 0

when a number is subtracted by its own then the result is = 0

i have taken cosx because i cant find the symbol of theta

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