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Find the value of cos 15^(@)....

Find the value of `cos 15^(@)`.

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OSWAAL PUBLICATION-SOLVED PAPER 2016-1-EXERCISE
  1. If ((x)/(3)+1,y-(2)/(3))=((5)/(3),(1)/(3)), find the values of x and y...

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  2. Find the angle in radians through which a pendulum swings if its lengt...

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  3. Find the value of cos 15^(@).

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  4. Express ((1)/(3)+3i)^3 in the form a+ib.

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  5. Solve 3(1-x) lt 2 (x+4) and show the graph of the solution on number l...

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  6. The vertices of trianglePQR are P(2,1),Q(-2,3) and R(4,5). Find the eq...

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  7. Find the angle between the lines sqrt3 x+ y =1 and x+ sqrt3 y=1

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  8. Given that P(3,2,-4),Q(5,4,-6) and R(9,8,-10) are collinear. Find the ...

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  9. Evaluateunderset(x rarr 0) lim [((x+1)^5-1)/x].

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  10. Write the converse and contrapositive of the statement " If x ...

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  11. If the coefficient of variation and standard deviation are 60 and 21 r...

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  12. A and B are events such that P(A) = 0.42, P(B) = 0.48 and P(A and ...

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  13. In a survey of 400 students in a school, 100 were listed as taking app...

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  14. Let f(x)=x^2 and g(x)=2x+1be two real valued functions,Find (i)(f+g)(x...

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  15. Let f(x)=x^2 and g(x)=2x+1be two real valued functions,Find(ii) (f-g)(...

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  16. Let f(x)=x^2 and g(x)=2x+1be two real valued functions,Find(iii)(fg)(x...

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  17. Find the general solution of 2 cos^2 x+3sin x=0

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  18. Convert (-16)/(1+isqrt 3) into polar form.

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  19. Solve sqrt 2x^2+x+sqrt 2=0

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  20. In how many of distinct permutations of the letters in the word MISSIS...

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