Prove the identity tan2(x) -

Prove the identity.sin² θ = tan² θ / 1 + tan² θ
1. 4 answers
2. asked by Jillian
3. 1,284 views
Prove the identitytan2(x) - sin2(x) = tan2(x) sin2(x)
1. 0 answers
2. asked by horsecrazygirly
3. 149 views
1. Find the complete exact solution of sin x = .2. Solve cos 2x – 3sin x cos 2x = 0 for the principal value(s) to two decimal
1. 2 answers
2. asked by suzy
3. 853 views
Prove that 2sec²∅=3-tan²∅
1. 2 answers
2. asked by Okezie
3. 463 views
Prove the identity: cos^4(x)-sin^4(x)=1-2sin^2(x).with explanationim confused on this one cause of the 4th power of the sine.
1. 1 answer
2. asked by Anonymous
3. 660 views
Select all the true statements about identities.A) You may use proven identities to prove other identities. B) An identity is
1. 0 answers
2. asked by TeeKay
3. 740 views
Prove the identitysin(x+y+z)+sin(x+y-z)+sin(x-y+z)+ sin(x-y-z) = 4 sin(x)cos(y)cos(z) This identity is so long and after i tried
1. 5 answers
2. asked by Tommy
3. 847 views
tan(to the second power) s sin(to second power)=tan(to second power + cos(second power) s - 1...I need the steps on how to get
1. 0 answers
2. asked by Courtney
3. 990 views
Prove this identity using the product-to-sum identity for sine:sin^2 x=1-cos(2x)/2
1. 1 answer
2. asked by Kyle
3. 760 views
Prove thisCot²(90-theta) /tan² theta-1 + cosec²theta/sec²theta-cosec²theta= 1/sin²theta - cos²theta
1. 1 answer
2. asked by Akash
3. 680 views