1. $$\frac{1}{2}\mu {\text{WRcosec}}\alpha $$
  2. $$\frac{2}{3}\mu {\text{WRcosec}}\alpha $$
  3. $$\frac{3}{4}\mu {\text{WRcosec}}\alpha $$
  4. $$\mu {\text{WRcosec}}\alpha $$
6 views

1 Answers

Answer: Option 2

Let'

6 views

Related Questions