. sin 405 degree
Best Answer
The value of sin 405 degrees is 0.7071067.
Conversion of degree into radian
θ in radians = θ in degrees × (pi/180°)
405 degrees = 405° × (π/180°) rad = 9π/4 or 7.0685
sin 405° = sin (7.0685) = 1/√2 or 0.7071067.
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