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Find the general solution of 2 cos^2 x+3...

Find the general solution of `2 cos^2 x+3sin x=0`

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OSWAAL PUBLICATION-SOLVED PAPER 2019-2-EXERCISE
  1. In a survey of 600 students in a school, 150 students were found to be...

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  2. Let A={1,2,3....14}. Define a relation R from A to A by R={(x,y) : 3x-...

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  3. Find the general solution of 2 cos^2 x+3sin x=0

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  4. Express (-1+i)/(sqrt(2)) in the polar form.

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  5. Solve the equation x^2+x/sqrt 2+1=0 as per solution.

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  6. How many words with or without meaning can be made from the letters of...

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  7. How many words with or without meaning can be made from the letters of...

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  8. How many words with or without meaning can be made from the letters of...

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  9. Find the term independent of x in the expansion of (3/2x^(2)-1/(3x)).

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  10. The sum of first three terms of a G.P. is 13/12 and their product is –...

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  11. Insert 3 arithmetic means between 8 & 24 .

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  12. Find the equation of parabola with vertex at the origin ,axis along x...

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  13. Find the derivative of the function cos x,w.r.t.x from first principle...

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

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  15. One card is drawn from a well shuffled deck of 52 cards.If each outcom...

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  16. One card is drawn from a well shufflied deck of 52 cards.If each out c...

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  17. One card is drawn from a well shuffled deck of 52 cards.If each outcom...

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  18. A fair coin 1 marked on one face & 6 on the other face & a fair die ar...

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  19. A fair coin 1 marked on one face & 6 on the other face & a fair die ar...

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  20. Define a signum function. Write range, also draw the graph of the func...

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