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Find the value of ((cosA+cosB)/(sinA-sin...

Find the value of `((cosA+cosB)/(sinA-sinB))^(n)+((sinA+sinB)/(cosA-cosB))^(n)` (where, n is an even)

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ARIHANT MATHS-TRIGONOMETRIC FUNCTIONS AND IDENTITIES-Exercise (More Than One Correct Option Type Questions)
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  7. If the equation 2cos^(2)x+cosx-a=0 has solutions, then a can be

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  13. If 3sinbeta=sin(2alpha+beta) then

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  14. Let P(n)(u) be a polynomial is u of degree n. Then, for every positive...

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  15. If tan theta=(sin alpha- cos alpha)/(sin alpha+cos alpha), then:

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  16. If cos 5 theta = a cos^(5)theta + b cos^(3)theta+c cos theta. Then, fi...

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  18. Find the value of ((cosA+cosB)/(sinA-sinB))^(n)+((sinA+sinB)/(cosA-cos...

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  19. Let p(k)=(1+cos((pi)/(4k)))(1+cos'((2k-1)pi)/(4k)) (1+cos""((2k+1)pi...

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