Find cosθ if the y-coordinate

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
1. 1 answer
2. 132 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. 28 views
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. 1,209 views
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
3. 2,026 views
Find the exact value of (sinθ) (cosθ) if cosθ > 0 and tanθ = −2/3
1. 5 answers
2. asked by emma
3. 379 views
If sinθ=4/5 and cosθ<0,find the exact value of cosθ and tanθhelp me!
1. 1 answer
2. asked by Zi
3. 425 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. 3,679 views
If sinθ=34and π2<θ<π , find cosθ .(1 point) cosθ=
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2. 144 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
1. 1 answer
2. 95 views
Find cosθ, in degrees, if the y-coordinate of the point where the terminal side of θ intersects the unit circle is √2/2 ,
1. 0 answers
2. 92 views