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OpenStudy (anonymous):
Can anyone help me solve this trig question show that 2sin(82.5)cos(37.5)=((square root(3)+square root(2))/((2))
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OpenStudy (anonymous):
sin(a+b) + sin(a-b) = 2sin(a)cos(b) a=82.5 b=37.5 n proceed
OpenStudy (anonymous):
let me see
OpenStudy (anonymous):
Thanks sail your answer was great.
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