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Prove that (1+sec2A)(1+sec2^2A)(1+sec2^3...

Prove that ``(1+sec2A)(1+sec2^2A)(1+sec2^3A).....(1+sec2^nA)=(tan2^nA)/(tanA)`

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UNITED BOOK HOUSE-BETHUNE COLLEGIATE SCHOOL.-EXERCISE
  1. For any three sets A,B and C,if AcapC=BcapCand AcapC^c=BcapC^cthen sho...

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  2. If f(x)=a(x-b)/(a-b)+b.(x-a)/(b-a)then show that f(a)+f(b)=f(a+b).

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  3. Prove that (1+sec2A)(1+sec2^2A)(1+sec2^3A).....(1+sec2^nA)=(tan2^nA)/(...

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  4. Prove that ,tan(alpha+beta)tan(alpha-beta)=(sin^2alpha-sin^2beta)/(cos...

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  5. How many 5 digit numbers can be formed using the digits 0,2,5,6,7 with...

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  6. Show that ,((1+i)/(1-i))^2+((1-i)/(1+i))^2is a real number.

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  7. Find the distance between the lines 3x+4y=9 and 6x+8y+15=0.

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  8. Find the value of :lim(xrarr0)(sin2x+sin6x)/(sin5x-sin3x)

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  9. In an examination 60% passed in mathematics,68% passes in statistics a...

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  10. If alpha!=betaand atanalpha+b tanbeta=(a+b)tan((alpha+beta)/2),then sh...

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  11. For any three sets A,Band C show that :Acap(BcupC)=(AcapB)cup(AcapC)

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  12. Prove using principle of mathematical induction that sum of the cube t...

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  13. If w be a imaginary cube root of uniyt and a+b+c=0 then show that (a+b...

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  14. Find the sum upto n terms of the following series 4+44+444+….n.

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  15. Show that the straight lines 5x-y=6,x+5y-22=0,5x-y-32=0 and x+5y+4=0 f...

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  16. Find the value of :lim(xrarra)(xsina-asinx)/(x-a)

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  17. Prove that :cot(A-B)cot(B-c)+cot(B-c)cot(C-A)+cot(A-B)cot(B-C)=1

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  18. Provethat: (cos3theta)/(sin2thetasin4theta)+(cos5theta)/(sin4thetasin6...

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  19. Two parallel straight lines contains 5 points and 10 points respective...

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  20. Find the sum of the following series (1)+(2+3)+(4+5+6)+(7+8+9+10)+…to ...

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