If cotθ = , θ is an acute angle, then sinθ + cosθ - tanθ is equal to:
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Correct answer: B
Explanation
The correct answer is option 2 i.e. .
Pythagorean theorem: Hypotenuse2 = Height2 + Base2
cot θ = 3/4 = Base/Height
Hypotenuse2 = 32 + 42 = 9 + 16 = 25
Hypotenuse = √25 = 5
Now, sin θ + cos θ - tan θ = (4/5) + (3/5) - (4/3) = 1/15
Therefore, the required value is 1/15.