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Prove that (sin 5x - 2 sin 3x + sin x)/(...

Prove that `(sin 5x - 2 sin 3x + sin x)/(cos 5 x - cos x)= tan x `

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SUBHASH PUBLICATION-ANNUAL EXAMINATION QUESTION PAPER - 2018 (NORTH) (WITH ANSWERS)-Part - C (Answer any Ten questions:)
  1. Find the coordinates of the vertices, length of the latus rectum and e...

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  2. Differentiate of sin x w.r.t. x from first principles

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  3. Verify by the method of contradiction that sqrt(2) is irrational .

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  4. A die is thrown once Find the probability that a prime numbers will a...

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  5. A die is thrown. Find the probability that (i) A prime number will a...

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  6. A die is thrown. Find the probability that (i) A prime number will a...

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  7. Out of 100 students,two sections of 40 and 60 are formed.If you and yo...

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  8. Draw the graph of the signum function write its domain and range.

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  9. Prove that (sin 5x - 2 sin 3x + sin x)/(cos 5 x - cos x)= tan x

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  10. 1.2+2.3+3.4+…………..+n(n+1)=n/3(n+1)(n+2) forall n in N.

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  11. Solve graphically 2x+y ge 4, x+y le 3, 2x-3y le 6 x ge 0, y ge 0

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  12. What is the number of ways of choosing 4 cards from a pack of 52 cards...

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  13. What is the probability that 4 cards drawn at random from a well-shuff...

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  14. What is the number of ways of choosing 4 cards from a pack of 52 cards...

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  15. What is the number of ways of choosing 4 cards from a pack of 52 cards...

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  16. Prove that the Binomial theorem (a + b)^(n) = ""^(n)C(0)a^(n) + ""^(n)...

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  17. Derive the formula to find the angle between two lines with slopes m(1...

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  18. Derive the formula to find the co-ordinates of a point which divide th...

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  19. Prove that Lim ( xto 0) ( sin x) /( x ) =1 ( x being measured in radia...

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  20. Compute the mean deviation about the mean for the following data.

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