Recommended Questions
- sin (n+1) x sin (n+2) x + cos (n+1)x cos (n+2)x=cos x
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- The value of the determinants |{:(1,a,a^(2)),(cos(n-1)x,cos nx , cos(n...
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- sin (n +1) x sin (n +2) x + cos (n +1) x cos (n +2) x = cos x
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- sin (n +1) x sin (n +2) x + cos (n +1) x cos (n +2) x = cos x
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