If tan = 1, find 2sin cos

1.	If tan = 1, find 2sin cos
Answer» A simple and quick methos------------------Tan 45°=1Therefore theta = 45°Therefore 2sin.cos= sin(2theta)= sin (2×45)°=sin 90°=【1】 It will be equal to 1 as tan45=1and 2sincos also =1 2

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