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use sum or difference identities

This question has me stuck. Use the Pythagorean identity sin^2 Θ + cos^2 Θ = 1 to derive the other Pythagorean identities, 1 +
1. 1 answer
2. asked by Iris
3. 1,169 views
when we think about our multiple identities , most of us will find that we both dominant and targeted at the same time. But it
1. 1 answer
2. 80 views
When we think about our multiple identities, most of us will find that we are both dominant and targeted at the same time. But
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2. asked by Sisipho
3. 87 views
Evaluate sin 7pi/12. Using sum, difference, and cofunction identities
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2. asked by Liv
3. 1,140 views
Find the exact value of cos7(pi)/12 using sum and/or difference identities.
1. 2 answers
2. asked by Michael
3. 658 views
Select all the true statements about identities.A) You may use proven identities to prove other identities. B) An identity is
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2. asked by TeeKay
3. 774 views
Use the sum or difference identities to find the exact value of each trigonometric function.sec pi/12 Thanks :)
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2. asked by Alexis
3. 613 views
Show algebraically how to confirm that cos2x=cos^2x-sin^2x using the sum and difference identities
1. 2 answers
2. asked by Nikki
3. 1,110 views
how to split up using sum and difference identitiescos (13pi/12) PLeaseeeeeeeeeee help!!! thanx a million
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2. asked by Sabrina
3. 4,070 views
Trigonometry identities are so hard...I need some help proving these identities: *Oh, and I'm only in grade 11, so the
1. 5 answers
2. asked by Lucy
3. 780 views