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# Inverse Trigonometric Functions (15 Problems), Derivatives (7 Problems) and Definite Integrals (8 Problems)

7.5 Inverse trigonometric functions

Find the exact value of the expression.

1) sin^-1 (SQRT3 / 2)
2) arctan(-1)
3) tan^-1 (SQRT 3)
4) cos^-1 (-1)
5) csc^-1 (2)
6) arcsin(-1/ (SQRT 2)
7) sec^-1 (SQRT 2)
8) arccos(cos 2pi)
9) tan^-1 (tan 3pi/4)
10) cos(arcsin ½)
11) sin(2 tan^-1 SQRT 2)
12) cos(tan^-1 (2) + tan^-1 (3))

Simplify:

1) tan(sin^-1 (x))
2) sin(tan^-1 (x)
3) csc(arctan 2x)

Find the derivative

1) y = SQRT(tan^-1 x)
2) y = tan^-1 SQRT(x)
3) y = sin^-1(2x+1)
4) h(x)= SQRT(1-x^2) (arcsin x)
5) f(x) = xln(arctan x)
6) y =cos^-1(e^(2x))
7) y=arctan(cos theta)

Evaluate the integral

1) &#8747; (from ½ to SQRT3 / 2 on top) [6 / (SQRT(1-t^2))] dt
2) &#8747; (from 0 to 1 on top) [4 / (t^2 + 1)] dt
3) &#8747; (from 0 to SQRT3 / 4 on top) [dx / (1+ 16x^2)]
4) &#8747; (from 0 to 1 / 2 on top) [sin^-1 (x) / (1-x^2)] dx
5) &#8747; [dt / (SQRT(1-4t^2)]
6) &#8747; [6 / (SQRT(1-t^2))] dt
7) &#8747; [tan^-1 (x) / (1+x^2)] dx
8) &#8747; [1 / (x) (SQRT(x^2 - 4))] dx

#### Solution Summary

Inverse Trigonometric Functions (15 Problems), Derivatives (7 Problems) and Definite Integrals (8 Problems) are solved. The solution is detailed and well presented.

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