Math, asked by unkown25, 7 months ago

pls help me out with this sum

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Answers

Answered by rajunaga110

1

Step-by-step explanation:

sec^2A = 1/cos^2A

Cos^2A= 1-sin^2A

Cos^2A= 1-(3/5)^2

Cos^2A= 1-(9/25)

Cos^2A= 16/25

so sec^2A= 1/(16/25)= 25/16

tanA = 3/4 and tanB = 5/12

tanA+tanB = 3/4+5/12

= 9/12+5/12

= 14/12

= 7/6

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