$\left[\begin{array}{c}-x\\ -y\end{array}\right]$

$\left[\begin{array}{c}x\\ y\end{array}\right]$

$\left[\begin{array}{c}-y\\ -x\end{array}\right]$

$\left[\begin{array}{c}x\\ -y\end{array}\right]$

7

104

35

8

3360

$\frac{8!}{2!2!}$

$\frac{8!}{2!2!}\times \frac{4!}{2!}$

$\frac{11!}{2!2!2!}$

1

4

-4

f(a) = b, f(b) = c, f(c) = d, f(d) = a

f(a) = b, f(b) = c, f(c) = b, f(d) = a

f(a) = b, f(b) = c, f(c) = d

f(a) = b, f(b) = c, f(c) = d, f(c) = a

0°

90°

120°

180°

(3, 90°)

(2, 180°)

(2, 120°)

(2, 9°)

√65

3√5

√6

3√2

3

5

7

1

(-4, 4)

(4, -4)

(3, -4)

(3, 4)

(0, ±2)

(0, -2)

(0, ±1)

(0, -1)

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

$\frac{1}{\sqrt{3}}$

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

$-\frac{1}{\sqrt{3}}$

$\sqrt{2+\sqrt{2+\sqrt{2}}}$

$\sqrt{2+\sqrt{2-\sqrt{2}}}$

$\sqrt{2-\sqrt{2+\sqrt{2}}}$

$\sqrt{2}$

10

9

5

-10

$-1\le \sin \theta \le 1$

$0\le \sin \theta \le 1$

$-1>\sin \theta >1$

$1>\sin \theta$

435

-882

632

$\frac{-273}{8}$

$-\frac{1}{2}$

2

$\frac{1}{2}$

1

-1

π

In x

In (In x)

$e^x$

Inx + 1

$2a^2$

$a^1$

$a$

$2a$

3/8

4/6

6.10

3

180°

60°

90°

120°

$2\sqrt{3p}$

$\sqrt{34p}$

$\sqrt{43p}$

$2\sqrt{12}$

$\sqrt{\frac{2h}{g}}$

$2gx$

$\sqrt{2gh}$

$\sqrt{2gx}$