cosθ =5/13 with -π/2 <

How do I prove that secθ - tanθsinθ = cosθSo far I have LS 1/cosθ - sinθ/cosθ (sinθ) =1/cosθ -sin^2/cosθ
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2. asked by Trisha
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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 =
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2. asked by Piper
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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
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2. asked by Callie
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Find the exact value of (sinθ) (cosθ) if cosθ > 0 and tanθ = −2/3
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2. asked by emma
3. 354 views
If sinθ=4/5 and cosθ<0,find the exact value of cosθ and tanθhelp me!
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2. asked by Zi
3. 404 views
If sinθ=34and π2<θ<π , find cosθ .(1 point) cosθ=
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2. 122 views
Prove (cosecθ-cotθ)^2=1-cosθ÷1+cosθ
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2. asked by April
3. 779 views
We have a qubit in the state |ϕ⟩=3√2|0⟩+12|1⟩, which we want to measure in the
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2. asked by unknown
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Find cosθif the y-coordinate of the point where the terminal side of θ intersects the unit circle is 2√2 , given that θ is
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2. 112 views
Find cosθ if the y-coordinate of the point where the terminal side of θ intersects the unit circle is 2√2 , given that θ is
1. 1 answer
2. 10 views