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Why Is Sin Pi 2? [Solved]

The value of sin pi/2 can be calculated by constructing an angle of π/2 radians with the x-axis, and then finding the coordinates of the corresponding point (0, 1) on the unit circle. The value of sin pi/2 is equal to the y-coordinate (1). ∴ sin pi/2 = 1.

Compute sin(pi/2)

Compute

Trigonometric Values 0, π/2, π, 3π/2, 2π,⋅⋅⋅ at Lightning Speed

Trigonometric Ratios Shortcut Trick / Trick to find the Trig. Values of

Show the trig identity sin( pi/2 + theta) = cos theta

Prove the trig identity.