Answers

2015-10-31T19:53:26+05:30
Let A=30° and B = 45°

sin(30^{0}+45^{0})

=sin(75^{0})

=sin30^{0}cos45^{0}+cos30^{0}sin45^{0}

=\frac{1}{2} (\frac{1}{ \sqrt{2} }) +  \frac{ \sqrt{3} }{2} (\frac{1}{ \sqrt{2} })

=\frac{1}{\sqrt{2} } (  \frac{ \sqrt{3} + 1}{2}  )





              


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Hope it helps :) and if it does please click on thanks button above & mark as best answer ^_^
u did one mistake while adding, insted u multiplied, see the last step
i did some typing mistakes
i rectified it ........
is it okay now