Recommended Questions
- Simplify: cos (n+1)x . cos (n+2)x +sin (n+1) x. sin (n+2)x
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- Prove that: sin (n + 1) x sin (n + 2)x + cos (n + 1) x cos (n + 2) x =...
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- The determinant Delta=|(a^2,a,1),(cos(nx),cos (n + 1) x,cos(n+2) x),(s...
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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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- The value of the determinants |{:(1,a,a^(2)),(cos(n-1)x,cos nx , cos(n...
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- सिद्ध कीजिए : sin(n + 1) x sin (n + 2) x + cos (n + 1) x cos (n + 2)...
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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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