Answers

2015-06-17T19:07:44+05:30

I'm using A for Θ

sinA = 12/13

therefore sides of triangle are 12 , 5 & 13            (By Pythagoras theorem)

therefore cosA = 5/13

therefore sinA + cosA = 12/13 + 5/13

sinA+cosA = 17/13

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