If `sinA=sin^2Ba n d2cos^2A=3cos^2B` then the triangle `A B C` is right angled (b) obtuse angled (c)isosceles (d) equilateral

Explanation

To solve the problem, we will follow the steps outlined in the video transcript and derive the necessary conclusions about triangle ABC.

### Step-by-Step Solution:

1. **Given Equations**:
We start with the two equations given in the problem:
\[
\sin A = \sin^2 B \quad \text{(1)}
...