Compute cot(pi/2) by hand

How do you find the value of cot pi 2?

Graphing y = Cot(2x - pi/2) 172muunit2pc.AVI

Trig Visualized: One Diagram to Rule them All (six trig functions in one diagram)

Cot(pi/2-x)=tanx pro

Compute csc(pi/2)

cos pi/2 - csc(-pi/2) find the exact value

Verify cot(pi/2 - x) * csc x = sec x

Evaluate the Integral from pi/4 to pi/2 of cot cubed x dx. Substitution

Verify cot(pi/2 - x) csc x = sec x

Compute sec(pi/2)

Compute tan(pi/2)

verify cos[pi/2 - x] / sin[pi/2 - x] = tan(x)

Trigonometry - Unit Circle, Multiples of pi/2

Solve trig equation cot(2x-pi/2)=1

Verify cos(x - pi/2) = sin x

sin(pi/2 - x) cot(pi/2 + x) = -sinx Trigonometric Identities with Related Acute Angle

Compute cot(pi/4)

tan^-1(x) + cot^-1(x) = pi/2 | arctan x + arccot x = pi/2

GRAPH Of Transformed COTANGENT Function y = (3/2)cot(x - pi/2)