• A. $\pm \sqrt{2}\sin \theta$
• B. $2\sin \theta$
• C. $\sqrt{2}\sin \theta$
• D. $\sqrt{2\sin \theta }$

Answer: Option A

Explanation:

• A. -1
• B. 0.7
• C. 3
• D. ∞

Answer: Option B

Explanation:

• A. $1$
• B. $-1$
• C. $2$
• D. $\frac{-1}{2}$

Answer: Option A

Explanation:

• A. 1
• B. -1
• D. 2

Answer: Option A

Explanation:

• A. $\left[\begin{array}{cc}2& \frac{5}{2}\\ 3& 4\end{array}\right]$
• B. $\left[\begin{array}{cc}-2& -\frac{5}{2}\\ -3& -4\end{array}\right]$
• C. $\left[\begin{array}{cc}4& \frac{5}{2}\\ 3& 2\end{array}\right]$
• D. $\left[\begin{array}{cc}2& -3\\ -\frac{5}{2}& 4\end{array}\right]$

Answer: Option A

Explanation:

• A. 2, -1
• B. 3,-1
• C. -1,3
• D. -1,1

Answer: Option A

Explanation:

• A. $\left[\begin{array}{cc}44& -1\\ -31& 1\end{array}\right]$
• B. $\frac{1}{13}\left[\begin{array}{cc}44& -1\\ -31& 1\end{array}\right]$
• C. $\frac{1}{13}\left[\begin{array}{cc}-44& 1\\ 31& -1\end{array}\right]$
• D. $\frac{1}{13}\left[\begin{array}{cc}-31& 1\\ 44& -1\end{array}\right]$

Answer: Option D

Explanation:

• A. -2
• B. -1
• C. 1
• D. 2

Answer: Option D

Explanation:

• A. sin(A - B)
• B. sin(B-A)
• C. 1

Answer: Option B

Explanation:

• A. -1
• C. 1
• D. 2

Answer: Option D

Explanation:

• A. $\frac{a^x}{\ln a}$
• B. $\ln a$
• C. $a^x$
• D. $x\ln a$

Answer: Option B

Explanation:

• A. $\frac{\pi }{3}$
• B. $\frac{5\pi }{3}$
• C. $\frac{\pi }{6}$
• D. $\frac{4\pi }{3}$

Answer: Option B

Explanation:

• A. 1
• B. 2
• C. -1
• D. -2

Answer: Option C

Explanation:

• A. $\frac{16}{25}$
• B. $\frac{9}{25}$
• C. $\frac{8}{25}$
• D. $\frac{7}{25}$

Answer: Option D

Explanation:

• A. $x=\tan \theta ,y=b\sec \theta$
• B. $x=b\tan \theta ,y=a\sec \theta$
• C. $x=a\sec \theta ,y=b\tan \theta$
• D. $x=b\sec \theta ,y=a\tan \theta$

Answer: Option C

Explanation: