. cos 55 degrees
Best Answer
The value of cos 55 degrees is 0.57
Now, using conversion of degree into radian
θ in radians = θ in degrees × (π/180°)
55 degrees = 55° × (π/180°) rad = 11π/36 or 0.9599
cos 55° = cos (0.9599) = 0.5735764..
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