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Evalute |(cos 15^(@) sin 15^(@)),(sin 75...

Evalute `|(cos 15^(@) sin 15^(@)),(sin 75^(@) cos 75^(@))|`

A

3

B

2

C

0

D

1

Text Solution

Verified by Experts

The correct Answer is:
C
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SUNSTAR PUBLICATION-K-CET-MATHEMATICS-2015-MULTIPLE CHOICE QUESTIONS
  1. int (1)/(x^(2)(x^(4)+1)^(3//4))dx is equal to

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  2. If f: R rarr R is defined by f(x)=(x)/(x^(2)+1) find f(f(2))

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  3. Evalute |(cos 15^(@) sin 15^(@)),(sin 75^(@) cos 75^(@))|

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  4. Slope of normal to the curve y=x^(2)-(1)/(x^(2)) at (-1, 0) is

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  5. underset(0)overset(pi//4)int log ((sin x+cos x)/(cos x))dx

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  6. Area bounded by y=x^(3),y= 8 and x=0 is

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  7. Let veca = hati + hatj + hatk, vecb = hati - ahtj + hatk and hati - ha...

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  8. The mean deviation of the data 3, 10, 10, 4, 7, 10, 5 from the mean is...

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  9. A man takes a step forward with probability 0.4 and one step backward ...

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  10. If the function g(x) is defined by g(x)= (x^(200))/(200) + (x^(199))/(...

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  11. A box contains o red marbles number from 1 through 6 and 4 white ...

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  12. lim(x rarr 0) (1- cos x)/(x^(2)) is :

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  13. The probability distribution of x is Find the value of k

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  14. If f(x)=2x^(2), find (f(3.8)-f(4))/(3.8-4) :

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  15. If x=ct and y= (c )/(t), find (dy)/(dx) at t=2

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  16. A balloon which always remains spherical is being inflated by pumping ...

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  17. f(x)= {(3x-8,"If " x le 5),(2k,"if" x gt 5):} is continuous, find k

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  18. int e^(x)(1+sin x)/(1+cos x) dx is equal to

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  19. If 1, w, w^(2) are three cube roots of unity, then (1 - w+ w^(2)) (1 +...

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  20. Solve for x tan^(-1) ((1-x)/(1+x))=(1)/(2) tan^(-1)x, x gt 0

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