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Show that:(cos18^@+sin18^@)/(cos18^@-sin...

Show that:`(cos18^@+sin18^@)/(cos18^@-sin18^@)=cot27^@`,

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JBD PUBLICATION-MODEL PAPER (14)-EXERCISE
  1. underset(nrarrinfty)lim (1^2+2^2+3^2+………+n^2)/n^3 is equal to:

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  2. Two dice are thrown simultaneously. The probability of obtainng a tota...

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  3. Show that:(cos18^@+sin18^@)/(cos18^@-sin18^@)=cot27^@,

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  4. Prove that (cos(90^(@)+theta)sec(-theta)tan(180^(@)-theta))/(sec(360...

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  5. Simplify: 2i^2+6i^3+3i^16-6i^19+4i^25

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  6. Find the constant term in the expansion of [(4x^2)/3-3/2x]^9

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  7. Find the value of (101)^4 using Binomial theorem.

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  8. Find the ratio in which YZ-plane divides the line segment formed by jo...

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  9. Which of the following sentences are statement? Give reason for your a...

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  10. Which of the following sentences are statement? Give reason for your a...

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  11. Are the following pairs of the statement negation of each other The ...

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  12. In a group of 400 people, 250 can speak Hindi and 200 can speak Englis...

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  13. Find the domain and range of the following functions: f(x)=sqrt(16-x^2...

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  14. Solve: sin3x+cos2x=0

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  15. In how many ways can 5 boys and 3 girls sit in a row so that no two gi...

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  16. A bag contains 5 black and 6 red balls. Determine the number of ways i...

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  17. How many terms of the series 24+21+18+………..may be taken so that the su...

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  18. Find three numbers in G.P whose product is 512 and sum is 28.

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  19. Find the equation of the right bisector of the line segment joining th...

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  20. Find the equation of the parabola which is symmetric about y-axis and ...

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