• A. ১০ ডিগ্রী
• B. ৬০ ডিগ্রী
• C. ১২০ ডিগ্রী
• D. ১৮০ ডিগ্রী

Answer: Option B

Explanation:

• A. 360 °
• B. 270 °
• C. 180 °
• D. 0 °

Answer: Option A

Explanation:

• A. $\frac{3\sqrt{3}}{4}{x}^2$
• B. $\frac{\sqrt{3}}{4}{x}^2$
• C. $\frac{4}{\sqrt{3}}{r}^2$
• D. $\frac{\sqrt{3}}{4}{a}^2$

Answer: Option B

Explanation:

• A. $a^2=b^2+c^2$
• B. $b^2=c^2+a^2$
• C. $c^2=a^2+b^2$
• D. কোনটিই নয়

Answer: Option C

Explanation:

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

Answer: Option B

Explanation:

• A. $\frac{\sqrt{3}}{2}$
• B. $\frac{1}{\sqrt{2}}$
• C. $\frac{1}{2}$
• D. $1$

Answer: Option C

Explanation:

• A. 13π সেমি
• B. 26π সেমি
• C. 52π সেমি
• D. 39π সেমি

Answer: Option B

Explanation:

• A. $a^{mn}$
• B. $a^{\frac{m}{n}}$
• C. $a^{\frac{n}{m}}$
• D. $a^{-\frac{n}{m}}$

Answer: Option C

Explanation:

• A. $\sin \theta$
• B. $\cos \theta$
• C. $\tan \theta$
• D. $cot\theta$

Answer: Option B

Explanation:

• A. জটিল সংখ্যা
• B. মূলদ সংখ্যা
• C. অমূলদ সংখ্যা
• D. বাস্তব সংখ্যা

Answer: Option C

Explanation:

• A. $\infty$
• B. $-\infty$
• C. $1$
• D. $-1$

Answer: Option A

Explanation:

• B. -2
• C. 1
• D. -1

Answer: Option D

Explanation:

• A. 12
• B. 36
• C. 48
• D. 144

Answer: Option D

Explanation:

• A. $৩\sqrt{৩}$
• B. $৬৪\sqrt{৩}$
• C. $৬৪$
• D. $৩২$

Answer: Option B

Explanation:

• A. $2$
• B. $\frac{\sqrt{3}}{2}$
• C. $\frac{1}{2}$
• D. $\frac{1}{\sqrt{2}}$

Answer: Option C

Explanation: