• A. $49°$
• B. $62°$
• C. $139°$
• D. $82°$

Answer: Option D

Explanation:

• A. X বৃহত্তর
• B. Y বৃহত্তর
• C. X=Y
• D. কোনটি নয়

Answer: Option C

Explanation:

• A. $x-1$
• B. $x-2$
• C. $x-3$
• D. $x-4$

Answer: Option D

Explanation:

• A. 0.0593
• B. 0.00593
• C. 0.593
• D. 5.93

Answer: Option A

Explanation:

• A. $\sqrt{2}$
• B. $\frac{1}{2\left(\sqrt{5}-\sqrt{3}\right)}$
• C. $\frac{1}{\sqrt{5}}+\frac{1}{\sqrt{3}}$
• D. $\frac{2}{\sqrt{3}+\sqrt{5}}$

Answer: Option D

Explanation:

• A. $\frac{x}{y}=\frac{y}{2}$
• B. $x^2+y=1$
• C. $\frac{x}{y}=\frac{1}{2}$
• D. $x=\frac{1}{y}$

Answer: Option C

Explanation:

• A. x=0
• B. x+y=1
• C. 3x + 4y = 3
• D. $y=\frac{1}{x}$

Answer: Option D

Explanation:

• A. $\frac{১৮}{৩৬}$
• B. $\frac{৫}{৩}$
• C. $\frac{১৬}{৩১}$
• D. $\frac{৪}{১২}$

Answer: Option D

Explanation:

• A. ${\sec }^2\theta =1+{\tan }^2\theta$
• B. ${\sec }^2\theta =1-{\tan }^2\theta$
• C. $\tan \theta =\frac{\cos \theta }{\sin \theta }$
• D. ${\sin }^2\theta -{\cos }^2\theta =1$

Answer: Option A

Explanation:

• A. $\tan \theta =\frac{1}{\cos \theta }$
• B. $\tan \theta =\cos \theta$
• C. $\tan \theta =\frac{1}{\cot \theta }$
• D. $\tan \theta =\frac{\cos \theta }{\sin \theta }$

Answer: Option C

Explanation:

• A. $\sin 1°=\sin 179°$
• B. $\sin 1°<\sin 179°$
• C. $\sin 1°<\sin 180°$
• D. $\sin 1°=\sin 181°$

Answer: Option A

Explanation:

• A. $\sin 1°=\sin 179°$
• B. $\sin 1°<\sin 179°$
• C. $\sin 1°<\sin 180°$
• D. $\sin 1°=\sin 181°$

Answer: Option A

Explanation:

• A. $\sqrt{3}$
• B. $\sqrt[3]{6}$
• C. $\sqrt{2}$
• D. $\sqrt[3]{8}$

Answer: Option D

Explanation:

• A. $\sqrt[3]{8}$
• B. $\sqrt{2}$
• C. $\sqrt[3]{7}$
• D. $\frac{\sqrt{5}}{4}$

Answer: Option A

Explanation:

• A. $a{x}^2+bx+c=0$
• B. $y^2=ax$
• C. $x^2+y^2=16$
• D. $y^2=2x+7$

Answer: Option C

Explanation: