prove the identity sec^2x times

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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. 642 views
prove the identitysec^2x times cot x minus cot x = tan x
1. 1 answer
2. asked by eddie
3. 772 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. 719 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. 824 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. 741 views
According to research in South Africa and overseas, which identity status is most likely to be formed in adolescents from more
1. 1 answer
2. 27 views
We, somehow, tried to use the next identity:-[k+1 / 2] = [-k+1 / 2] Is this result true or false? If it is true, prove it; if it
1. 2 answers
2. asked by Matt
3. 298 views
The identity below is significant because it relates 3 different kinds of products: a cross product and a dot product of 2
1. 1 answer
2. asked by Anonymous
3. 1,174 views
1. Prove the identity:cosx/1-tanx+sinx/1-cotx=sinx+cosx2.Prove the identity: cosx/1+sinx+1+sinx/cosx=2secx
1. 0 answers
2. asked by Aliya
3. 612 views
Give am example of a function f.N N with the property that there exists a function g. N N such that the composition got is the
1. 0 answers
2. asked by geeta
3. 588 views