Ask a New Question

Asked by ken

verify identity:

tanx=cscx-cotx
12 years ago

Answers

Answered by Reiny
RS = 1/sinx - cosx/sinx
= (1- cosx)/sinx
≠ tanx

this is not an identity,
let x = 45°
tan45 = 1
csc45 - cot45 = √2 - 1 ≠ 1

all we needde was one counterexample to show it to be false.
12 years ago
There are no AI answers yet. The ability to request AI answers is coming soon!

Related Questions

Verify the identity . (cscX-cotX)^2=1-cosX/1+cosX _______ sorry i cant help you (cscX-co... Verify the identity: tanx(cos2x) = sin2x - tanx Left Side = (sinx/cosx)(2cos^2 x -1) =sinx(2cos... given cscx= -3 and tanx>0 find cosx verify the identity (tanx+cotx) (1) __________ = ______________ (tanx-cotx) (si... Verify the identity: tanx/secx-1=secx+1/tanx verify the identity tanx times cotx/cosx=secx Verify the Identity: (Tanx + 1)/(secx + cscx) = sinx verify identity: (tanx-cotx)/sinxcosx=sec^2x csc^2x Verify the identity. 1/(tanx-secx) + 1/(tanx+secx) = -2tanx cscx+1/cscx cosx = secx+tanx
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use