Find (sinϴ + cosϴ) if

1. (P -15/17, -8/17) is found on the unit circle. Find sinΘ and cosΘWork: P= (-15/17, -8/17) cosΘ = a value P = (a,b) sinΘ =
1. 2 answers
2. asked by Piper
3. 1,175 views
Find f.f ''(θ) = sin θ + cos θ, f(0) = 5, f '(0) = 3 My steps: f'(θ)=cosθ-sinθ+C When f'(0)=3, C=-2, so
1. 1 answer
2. asked by Callie
3. 3,643 views
Hi. I am reposting this. Can you verify. Thanks.(cosθ) / (sinθ – 1) + (cosθ)/ (1 + sinθ) = -2tanθ (1 / cos^2θ) – (2)
1. 2 answers
2. asked by Ashley Kate
3. 632 views
How do I prove that secθ - tanθsinθ = cosθSo far I have LS 1/cosθ - sinθ/cosθ (sinθ) =1/cosθ -sin^2/cosθ
1. 1 answer
2. asked by Trisha
3. 2,006 views
We have a qubit in the state |ϕ⟩=3√2|0⟩+12|1⟩, which we want to measure in the
1. 1 answer
2. asked by unknown
3. 502 views
Establish each identity. I would like to check my answers to make sure it's right :) Thank you!1)
1. 1 answer
2. asked by Elli
3. 432 views
Prove the trigonometric identity below. Show all steps algebraically(𝑥sinθ−𝑦cosθ)2 +(𝑥cosθ+𝑦sinθ)2 =𝑥2
1. 4 answers
2. asked by aleena
3. 380 views
Prove the trigonometric identity below. Show all steps algebraically(𝑥sinθ − 𝑦cosθ)^2 + (𝑥cosθ + 𝑦sinθ)^2 =
1. 2 answers
2. asked by Howl
3. 353 views
Evaluate using the Pythagorean indentitiesFind sinθ and cosθ if tanθ =1/6 and sinθ >0 Help please ! Thank you !
1. 1 answer
2. asked by Bob
3. 596 views
Evaluate using the Pythagorean identities.Find sinθ and cosθ if tanθ = 1/4 and sinθ >0
1. 3 answers
2. asked by Alyssa
3. 949 views