Higher Math 1st Paper MCQ-Jessore Board-2022

1. If the sides of any triangle are $a, b, c$ and ares is $\Delta$, then $\sin A=$ ?

2. Answer the questions no. 6 and 7 in the light of the following information:

The straight line $3 x-4 y-12=0$ intersect the $x$ and $y$ axis at the point $A$ and $B$.

Which straight line is perpendicular to the given stem straight line and passes through the point $(1,2)$ ?

3. Which one is the perpendicular distance between the two straight lines $y-x=4$ and $y=x$ in unit?

4. If $y=\sin ^{2} x^{2}$, then which one is the value of $\frac{d y}{d x}$ ?

5. $\int_{0}^{1} \frac{d x}{\sqrt{2 x-x^{2}}}=?$