3 tanA= 4, then value of √1-sinA/1+cosA
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tanA=4/3
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Tan A = 4/3,
As, tan A= perpendicular/Base,
By pythagoras theorem
(perpendicular)² + (Base)² =( hypotenuse)²
4² + 3²=( hypotenuse)²
25=( hypotenuse)²
Hypotenuse=5 units
then SinA= 4/5, CosA= 3/5 where A is an acute angle of right triangle .
Now, =
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