Question

if sinA=3/5 and cosB=5/13, find the value of sinB+cosB​

Answer 1

SinA = 3/5. and cosB = 5/13

COSA = 4/5 and sinB = 12/13

Sin(a + b) = sinA. cosB + cosa. sinB

Sin(a + b) = 3/5* 5/13 + 4/5 * 12/13

Sin(a + b) = 15/65 + 48/65

Sin(a + b) = 63 / 65

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Answer 2

Answer:

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