Question

if 4A = π-2A then find the value of sinA?​

Answer 1

Answer:

sin A=\frac{1}{2}

2

1

Step-by-step explanation:

4A=π-2A

4A+2A=π

6A=π

A=π×\frac{1}{6}

6

1

A=\frac{\pi }{6}

6

π

A is in radian so we will convert it into degree to make it easy to understand,

1 rad=\frac{180}{\pi }

π

180

degree

\frac{\pi }{6}

6

π

rad=\frac{\pi }{6}

6

π

×\frac{180}{\pi }

π

180

=30°

sin(30°)=\frac{1}{2}

2

1

here is the required answer hope it will help you