If $$\frac{{\sin \theta+ \cos \theta }}{{\sin \theta- \cos \theta }} = – McqOptions

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1.	If $$\frac{{\sin \theta+ \cos \theta }}{{\sin \theta- \cos \theta }} = 3{\text{,}}$$then the value of $${\sin ^4}\theta $$is?
A.	$\frac{{16}}{{25}}$$
B.	$\frac{2}{5}$$
C.	$\frac{1}{5}$$
D.	$\frac{3}{5}$$
Answer» B. $\frac{2}{5}$$

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