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Prove that : sin3x=3sinx-4sin^(3)x...

Prove that : `sin3x=3sinx-4sin^(3)x`

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    OSWAAL PUBLICATION|Exercise EXERCISE|55 Videos

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OSWAAL PUBLICATION-SAMPLE PAPER 7-EXERCISE
  1. Define finite and infinite set with suitable examples.

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  2. Evaluate underset (x rarr 1)lim(x^15-1)/(x^10-1).

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  3. Prove that : sin3x=3sinx-4sin^(3)x

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  4. Show that the points A(0,7,10), B(-1,6,6) and C(-4,9,6) from a right...

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  5. A box contains 10 red marbles,20 blue marbles and 30 green marbles.5 m...

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  6. A box contains 10 red marbles, 20 blue marbles and 30 green marbles. 5...

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  7. Find four numbers forming a geometric progression in which the third t...

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  8. Convert (1+7i)/(2-i)^2 in the polar form.

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  9. In a survey of 60 people, it was found that 25 people read newspaper H...

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  10. In a survey of 60 people, it was found that 25 people read newspaper H...

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  11. Verify by the method of contradiction that sqrt 5 is irrational.

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  12. Let R be a relation on the set Z of all integers defined by:(x,y) in R...

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  13. Let R be a relation on the set Z of all integers defined by:(x,y) in R...

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  14. Find the derivative of f(x)=(2x+3)/(x-2) from the first principle.

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  15. Let z(1) =2-I, z(2) =-2 + i, Find (i) (Re(z(1)z(2))/barz(1)), (ii) I...

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  16. Let z(1) =2-I, z(2) =-2 + i, Find (i) (Re(z(1)z(2))/barz(1)), (ii) I...

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  17. Find the value of n such that ""^(n)P(5)=42""^(n)P(3), n gt 4

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  18. If the sum of n terms of an A . P is 3n^(2)+5n and its m^(th) term is ...

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  19. For any real number of x and y,cos x = cos y,prove that x=2npi+-y whe...

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  20. Find the equation of the hyperbola where foci are (0,+-12) and the len...

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