Verify cos x/1+sinx + 1+

Verify the Identity:sin(x+π)/cos(x+3π/2) =tan^2x-sec^2x I've done: sinxcosπ+cosxsinπ / cosxcos(3π/2) - sinxsin(3π/2)
1. 2 answers
2. asked by Phil-- HELP NEEDED ASAP
3. 909 views
Prove the following:[1+sinx]/[1+cscx]=tanx/secx =[1+sinx]/[1+1/sinx] =[1+sinx]/[(sinx+1)/sinx] =[1+sinx]*[sinx/(sinx+1)]
1. 3 answers
2. asked by Anonymous
3. 985 views
1) evaluate without a calculator: a)sin(3.14/4) b) cos(-3(3.14)/4) c) tan(4(3.14)/3) d) arccos(- square root of three/2) e)
1. 1 answer
2. asked by Emily
3. 1,532 views
Okay, I've been getting some of these, but I can't seem to verify this identity... any help? Here's the problemSin(x+y) +
1. 2 answers
2. asked by Alex
3. 736 views
Verify that the trigonometric equation is an identity. 1/2 sin 2 x − sin^2x over sinxcos2x = 1 over sinx+cosxVerify that the
1. 2 answers
2. asked by Ricky
3. 656 views
How would you prove/Verify this Identity.x=theta (cosx+sinx-sin^3x)/(sinx)=cotx+cos^2x
1. 1 answer
2. asked by Beatrice
3. 610 views
verify the identities:1.) 2tanx-(1+tanx)^2 = -secx 2.) cos(x-330degrees)=1/2(�ã3cosx-sinx) *the �ãis only over the 3* 3.)
1. 3 answers
2. asked by Hailey
3. 734 views
Verify that each trigometric equation is an identity.1/1-sinx + 1/1+sinx = 2 sec^2x
1. 1 answer
2. asked by Katelyn
3. 544 views
My previous question:Verify that (secx/sinx)*(cotx/cscx)=cscx is an identity. (secx/sinx)*(cotx/cscx) = (secx/cscx)(cotx/sinx) =
1. 2 answers
2. asked by Jon
3. 972 views
Verifycos x/1+sinx + 1+ sinx/cosx = 2sec
1. 1 answer
2. asked by TRIG HELP
3. 857 views