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Find the principal and general solutions of `cosecx = -2`.

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MAXIMUM PUBLICATION-QUESTION PAPER MARCH 20-EXAMPLE
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  2. In a survey of 600 students in a school,150 students were found to be ...

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  3. Find the principal and general solutions of cosecx = -2.

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  4. If the sum of first 20 terms of an AP is equal to the sum of first 30 ...

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  5. Find the sum to infinity terms of the GP (-3)/4,3/16,(-3)/64,…..

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  6. Find the sum of n terms of the series 7+77+777+..

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  7. Consider the following figure: Find the distance of PQ.

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  8. Find the derivative of cosx from first principle.

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  9. Derivative of f(x)=1+x+x^2+x^3+…+x^50 at x=1 is a)50 b)1250 c)1275 d)1...

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  10. Find lim(xrarr0) f(x) if it exists, where f(x)={(abs[x]/x,,x,!=,0),(...

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  11. For every positive integer n,prove that 7^n-3^n is divisible by 4 usin...

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  12. Modulus of a complex number Z is 2 and arg(z)=pi/3,write the complex ...

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  13. Solve graphically: 2x+yge4,x+yle3,2x-3yle6 xge0,yge0

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  14. Expand (x+1/x)^6

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  15. Find the middle term in the expansion of (x/3+9y)^10

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  16. Let A(1,2) be a fixed point and 'P' be a variable point in the same pl...

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  17. Consider the following ellipse: Find the equation of the ellipse.

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  18. Write the contrapositive of the given statement. "If a number is div...

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  19. Verify by the method of contradiction p:sqrt5 is irrational.

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  20. If E and F are two events such that P(E)=1/4,P(F)=1/2,P(EandF)=1/8,fin...

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