1.

If sin(A + B) = sin A cos B + cos A sin B, then the value of $sin 75^{0}$is1). $\frac{\sqrt{3}+1}{\sqrt{2}}$2). $\frac{\sqrt{2}+1}{2\sqrt{2}}$3). $\frac{\sqrt{3}+1}{2\sqrt{2}}$4). $\frac{\sqrt{3}+1}{2}$

Answer»

right ANSWER is $\frac{\sqrt{2}+1}{2\sqrt{2}}$



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