Compute tan(pi)

Where do Sin, Cos and Tan Actually Come From - Origins of Trigonometry - Part 1

Compute tan(pi/4)

tan(pi/12), using difference of angles formula

What does tan pi/2 equal?

Trigonometry: Find tan (π/6)

tan pi

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Compute tan(pi/2)

tan(pi/8), using half angle formula of tangent

Compute tan(pi/3)

Trig for remembering tan (pi/6) and tan (pi/3)

Finding tan(pi/8) | How Many Ways Are There?

Exact Value of tan(pi/12)

FIND THE VALUES OF TRIGONOMETRIC FUNCTIONS || TAN (19PI/3) || SIN(-11PI/3)

Tan pi

tan -pi/4

tan pi/4 - sin pi/6 find the exact value

tan( pi - theta ) = -tan theta

evaluate tan pi over 4