$-\frac{\mathrm{\pi }}{6},\frac{5\mathrm{\pi }}{6}$

$\frac{\mathrm{\pi }}{6},-\frac{5\mathrm{\pi }}{6}$

$-\frac{\mathrm{\pi }}{6},-\frac{5\mathrm{\pi }}{6}$

$\frac{\mathrm{\pi }}{6},\frac{5\mathrm{\pi }}{6}$

$60°$

$45°$

$30°$

$75°$

$\frac{4}{\sqrt{14}}$

$\frac{3}{\sqrt{13}}$

$\frac{2}{\sqrt{13}}$

$\frac{1}{\sqrt{13}}$

$x^2+y^2+12x -8y +16 =0$

$x^2+y^2+8x+6y -40 =0$

$x^2+y^2-12x -8y +16 =0$

$x^2+y^2-8x-6y + 8 =0$

7x + 5y + 1=0

5x + 7y + 11 =0

5x - 7y -31=0

7x -5y -29=0

$-3\le x\le 3$

$-3<x\le 3$

$-3\le x<3$

$-3<x<3$

$\frac{1}{\sqrt{2}}$

$\frac{1}{2}$

$\frac{\sqrt{3}}{2}$

$\sqrt{2}$

$2\mathrm{\pi } \mathrm{sq}.\mathrm{units}$

$3\mathrm{\pi } \mathrm{sq}. \mathrm{units}$

$4\mathrm{\pi } \mathrm{sq}.\mathrm{units}$

$5\mathrm{\pi } \mathrm{sq}. \mathrm{units}$

$-\frac{1}{2}\cos A$

0

cosA

sinA

$\frac{5}{4}$

$\frac{4}{3}$

$\frac{5}{3}$

০

e

1

$\frac{1}{e}$

০

4 and 2

2 and 4

$\sqrt{2} and 2\sqrt{2}$

$2\sqrt{2} and 2$

sinx

cosx

x

1

$x=\pm 2$

1

$\pm 1$

$\pm \frac{3}{2}$

$(\frac{9}{4},-1)$

$(-\frac{9}{4},-1)$

$(0,2)$

$(2,0)$

$\frac{5}{\sqrt{38}}$

$\frac{3}{\sqrt{38}}$

$\frac{2}{\sqrt{38}}$

$\frac{1}{\sqrt{38}}$

0.5

1s

1.5 s

2s

$4\sqrt{3}$ একক

$7\sqrt{3}$ একক

$10\sqrt{3}$ একক

$15\sqrt{3}$ একক

circle

Parabola

Hyperbola

Ellipse

1

$\frac{i}{2}$

-1

$-\frac{i}{2}$

6

18

4

12

-1

0

$\frac{1}{3}$

1

540

640

740

840

10080

9680

50720

90720

(-2,-2)

(-2.2)

(2,-2)

(2,2)

{3,5}

{1.2.9}

{3.5.10}

{1,2,3,5,9}

$x-\frac{x^3}{3!}+\frac{x^5}{5!}$

$x+\frac{x^3}{3!}+\frac{x^5}{5!}+....$

$1+x+\frac{x^3}{3!}+\frac{x^5}{5!}$

$-x-\frac{x^3}{3!}-\frac{x^5}{5!}$

$\frac{1}{9}$

$\frac{1}{8}$

8

9

$-\frac{5}{6}$

$-\frac{1}{3}$

$\frac{1}{3}$

$\frac{2}{3}$

$\frac{15}{56}$

$\frac{3}{7}$

$\frac{28}{65}$

$\frac{13}{22}$