verify cot^2(y)(sec^2(y) - 1) = 1

(54)

Verify (cot^2(x)-1)/(1+cot^2(x))=1-2sin^2(x)

(5:11)

tan(t)*cot(t) = 1 verify the identity

(33)

Verify cot(x + pi/4)

(4:24)

Verify cot(theta)/csc(theta) = cos(theta)

(36)

cot θ ∙ sec θ = csc θ Verify the identity. Show your work

(45)

cot(theta)*cos(theta) + sin(theta), verify the identity

(1:11)

Verify cot(-a)*cos(-a) + sin(-a) = -csc(a)

(1:48)

Verify the Trigonometric Identity sin(theta)(cot(theta) + tan(theta)) = sec(theta)

(6:56)

verify cot^2(t)/csc(t) = (1 - sin^2(t))/sint

(47)

Verify cos u sec u / tan u = cot u

(47)

Verify (cot x sec x)/ csc x = 1

(36)

Verifying a trigonometric Identities

(5:12)

Verify cot x sec x / csc x = 1

(40)

Verify (cos u sec u)/ tan u = cot u

(52)

Verify Trig Identity csc x - cot x = sin x/(1 + cos x). Multiply by conjugate

(3:50)

Verify cot(x)sec(x)/csc(x) = 1

(39)

verify tan(t)*cot(t) = 1

(25)

Verify Trig Identity (1 - cos^2 x)(1 + cot^2 x) =1. Pythagorean and Basic Identities

(2:13)

Verify (1+cot^2x)sin^2x=1 [Strategy: Big Trig IDs] - Trig ID Survival Guide

(3:10)