Sec A= Cosec B = 15/7 then find the value of A+B.
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Sec A = 15/7 Cos A = 1/SecA Therefore CosA = 1/ 15/7 = 7/15
A + B = 90 or A = 90 - B
CosA = Cos(90-B)
7/15 = SinB
CosecB = 1/SinB = 1/ 7/15 = 15/7
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