Trig

posted by .

verify the following identity:
cos(A-B)/cosAsinB=tanA+cotB

Similar Questions

1. Precalculus

i need to show that the given equation is an identity. using composite argument properties. (cosAcosB-sinAsinb)^2 + (sinAcosB+cosAsinB)^2 = 1 Composite argument properties: cos(A + B) = cosAcosB - sinAsinB sin(A + B) = sinAcosB + cosAsinB …
2. trig

it says to verify the following identity, working only on one side: cotx+tanx=cscx*secx Work the left side. cot x + tan x = cos x/sin x + sin x/cos x = (cos^2 x +sin^2x)/(sin x cos x) = 1/(sin x cos x) = 1/sin x * 1/cos x You're almost …
3. trig

how would you verify this trig identity (1+cos(x) / 1-cos(x)) - (1-cos(x) / 1+cos(x)) = 4cot(x)csc(x) ?
4. trig help

verify that cos(A-B)/cosAsinB=tanA+cotB is an identity
5. trig

Verify the identity: sin(x+y)/cos(x-y)=cotx+coty/1+cotxcoty
6. Trig

Verify that each equation is an identity. cos^2x+tan^2xcos^2x=1
7. Algebra2 Verify Identity

Verify the Identity: csc(x)+sec(x)/sin(x)+cos(x)=cot(x)+tan(x) the left side of the equation is all one term.
8. trig

For each expression in column I, choose the expression from column II to complete an identity: Column I Column II 1. -tanxcosx A. sin^2x/cos^2x 2. sec^2x-1 B. 1/sec^2x 3. sec x/cscx C. sin(-x) 4. 1+sin^2x D.csc^2x-cot^2x+sin^2x 5. …
9. trig

verify the identity algebraically- (5-5 cos x)(5+5 cos x)=25 (sin^x)
10. Trigonometric Identities

Verify/prove that: (cotA+cotB)/(tanA+tanB)+(1-cotAcotB)/(1-tanAtanB) = 0

More Similar Questions