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Find the period of f(x) = cos (3x+5)+7....

Find the period of `f(x) = cos (3x+5)+7`.

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The correct Answer is:
`2pi//3`
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SRISIRI PUBLICATION-SOLVED MODEL PAPER-2-SOLVED MODEL PAPER-2(MATHS-1B)
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  2. Transform the equation of x+y+1=0 into Normal form

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  3. Evaluate Lt(x to 0)([x]+x)

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  4. Show that the points A(3,-2,4),B(1,1,1),C(-1,4,-2) are collinear.

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  5. Reduce the equation 4x-4y+2z+5=0 of the plane to the intercept form.

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  6. Compute Lt(x to 0)(3^x-1)/(sqrt(1+x)-1).

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  7. Find {:(" Lt"),(xrarroo):}(8|x|+3x)/(3|x|-2x)

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  8. If y=x^(2)e^(x)sinx, then find dy/dx.

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  9. Find the derivative of Sec^-1(1/(2x^2-1))

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  10. The side of a square is increased from 3 cm to 3.01 cm. Find the appro...

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  11. Verify Rolle's theroem for the function x^2-1 on [-1,1].

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  12. A(5,3) and B(3,-2) are 2 fixed points. Find the equation of locus of P...

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  13. Prove that the angle of rotation of the axes to eliminate xy term from...

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  14. Find the image of (1,2) in the straight line 3x+4y-1=0

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  15. Show that f(x)={{:((cosax-cosbx)/(x^(2))," if " xne0),((1)/(2)(b^(2)...

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  18. Find the equations of the tangent and the normal to the curve y=x^(3)+...

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  19. Find the circumcentre of the triangle whose vertices are (1,3) (0,-2) ...

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