Question

if A +B=90 sinA=a sinB=b prove that A= a/b​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Hey mate here is your answer........

A + B = 90

B = 90 - A............1

sin B = b

sin(90 - A) = b(using 1)

cosA = b

now, sinA/cosA = a/b

tanA = a/b

I think it's right .........

HOPE IT HELP YOU .........^_^