what is the value of (1-cosA)/(1+cosA) given that tanA=3/4
9/16 1/9 1/4
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5 Answers
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tanA = 3/4 so its simple its right angle triangle so the hypotenuse of this triangle is 5 br / so cosA =4/5br /(1-4/5)br /(1+4/5)br /1/5*5/9br /so ans is 1/9br /