$R ও (0,\infty )$

$\left\{0,\infty \right\}; \left\{\frac{5}{2},\infty \right\}$

R;R

$\left\{0,\infty \right\};\left\{\frac{2}{5},\infty \right\}$

${\cos }^{-1}\left(\frac{3}{49}\right)$

${\mathrm{os}}^{-1}\left(-\frac{3}{49}\right)$

${\mathrm{os}}^{-1}\left(-\frac{3}{7}\right)$

${\mathrm{os}}^{-1}\left(\frac{2}{7}\right)$

0,0

4;1

-4;1

4;-1

$8^{th} -ve$

$7^{th} ;+ve$

$6^{th}; -ve$

$5^{th }+ve$

$\mathrm{\pi }$

$\frac{\mathrm{\pi }}{2}$

$\frac{\mathrm{\pi }}{4}$

$\frac{\mathrm{\pi }}{8}$

(3,-5);$\sqrt{15}$

(-3,5);$\sqrt{15}$

(3,5);7

(-3,5);7

(-3,3);$\left(\frac{3}{4},3\right)$

(-3,3);$\left(-\frac{3}{4},3\right)$

(3,-3);$\left(\frac{3}{4},-3\right)$

(3,-3);$\left(-\frac{3}{4},-3\right)$

$\infty$

o

$\frac{1}{3}$

3

$se{c}^2\sqrt{4x+3}$

$se{c}^2(4x+3)$

$\frac{2}{\sqrt{4x+3}}se{c}^2\sqrt{4x+3}$

$\frac{1}{\sqrt{4x+3}}se{c}^2\left(4x+3\right)$

$\frac{{\mathrm{\pi }}^3}{192}$

$\frac{{\mathrm{\pi }}^2}{64}$

o

$\infty$

$0°$

$\frac{\mathrm{\pi }}{2}$

$\frac{\mathrm{\pi }}{4}$

$\frac{5}{7}$

$\frac{7}{5}$

$\frac{5}{12}$

$\frac{2}{12}$

o

1

5

none of this

3

5

9

2

$\cos x^2$

$x \cos x^2$

$\cos 2x$

$2x \cos x^2$

1

$\frac{1}{3}$

$\frac{1}{6}$

$\frac{1}{2}$

$\frac{5}{2}$

1

$\frac{2}{5}$

$\frac{2}{5}$

x

x+1

$x^2+1$

$\frac{x^2}{2}+1$

100

101

102

103

$\frac{18}{5}$

$\frac{21}{5}$

$\frac{5}{18}$

$\frac{17}{5}$