Establish the identity. sinx +

Hello, I need help with solving these trig identities. All help is appreciated!1. Establish the Identity: (cos(2x)/1+sin(2x)) =
1. 2 answers
2. asked by Kam
3. 590 views
Establish the identity.sinx + cosx/sinx - cosx = 1+2sinxcosx/2sin^2x-1
1. 1 answer
2. asked by Brittany
3. 1,985 views
Establish the identity(cosx/2-sinx/2)^2=1-sin x
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2. asked by Peter
3. 971 views
Establish the following identitysin 2x/sinx - cos2x/cosx = secx
1. 1 answer
2. asked by Tyler
3. 1,275 views
sin3x=(sinx)(3-asin^2x)Wow! is that arcsin^2(x) ??? are we solving for x? or is it proving the identity? proving the identity
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2. asked by abdo
3. 669 views
Radical ((1-sinx)/(1+sinx))= (1-sinx)/cosx (absolute)Identity identity
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2. asked by Anonymous
3. 471 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. 938 views
the problem is2cos^2x + sinx-1=0 the directions are to "use an identity to solve each equation on the interval [0,2pi). This is
1. 3 answers
2. asked by alex
3. 863 views
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. 867 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. 700 views