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Find the general solution for each of th...

Find the general solution for each of the following equations:
`4 sin^2theta-8cos theta+1=0`

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JBD PUBLICATION-MODEL PAPER (3)-EXERCISE
  1. If A=[2,4,6,8], B=[6,8,10,12], find B-A.

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  2. If f(x)=x^2 then find the value of (f(1.1)-f(1))/(1.1-1).

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  3. Find the general solution for each of the following equations: 4 sin^2...

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  4. Show that: sn10^@+sin20^@+sin40^@+sin50^@=sin70^@+sin80^@

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  5. Prove by the principle of mathematical induction: 1+2+3+……..+n<1/8(2n+...

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  6. How many 3-digit even numbers can be made using the digits 1, 2, 3, 4,...

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  7. How many chords can be drawn through 21 points on a circle?

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  8. The sums of n terms of two arithmetic progressions are in the ratio 5n...

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  9. The sum of two numbers is 6 times their G.M. show that numbers are in ...

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  10. Reduce the following equations of the line to slope intercept form and...

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  11. Reduce the following equations of the line to slope intercept form and...

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  12. Reduce the following equations of the line to slope intercept form and...

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  13. Verify that the locus of a point P which moves so that the sum of its ...

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  14. Differetiate the function:[(x+2)(1-3x)]/(2x+1),x ne -1/2 w.r.t.x.

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  15. Letters of the word "EDUCATION" are rearranged. Find the probability t...

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

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  17. Solve the following equation :- x^2 + x/sqrt2+1 = 0

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  18. Find all pairs of consecutive even positive integers, both of which ar...

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  19. Solve the inequalities given below:- 7le ((3x+11))/2le11

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  20. Solve the following inequalities: -15 le (3(x-2))/5 le 0

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