Prove the identity. sin² θ

Prove the identitytan2(x) - sin2(x) = tan2(x) sin2(x)
1. 0 answers
2. asked by horsecrazygirly
3. 158 views
If A + B + C = 180°, Prove thatSin² (A/2) + sin² (B/2) + sin²(C/2) = 1 – 2sin (A/2) sin (B/2) sin(C/2)
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2. asked by Kewal
3. 511 views
If A + B + C = 180°, Prove thatSin² (A/2) + sin² (B/2) - sin²(C/2) = 1 – 2cos (A/2) cos (B/2) sin(C/2)
1. 0 answers
2. asked by Kewal
3. 600 views
Prove the identity.sin² θ = tan² θ / 1 + tan² θ
1. 4 answers
2. asked by Jillian
3. 1,307 views
In a ∆ABC, if ∠C = 90°, prove that sin2 A + sin2 B = 1.
1. 1 answer
2. asked by arnav
3. 281 views
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. 704 views
Blake is told that an angle has a cosine of −16√and is in Quadrant III. Use the Pythagorean identity sin2(θ)+cos2(θ)=1 ,
1. 1 answer
2. 28 views
What is the tangent for an angle that has a cosine of −17√ and is in Quadrant III? Use the Pythagorean identity
1. 1 answer
2. 244 views
Blake is told that an angle has a cosine of −16√and is in Quadrant III. Use the Pythagorean identity sin2(θ)+cos2(θ)=1 ,
1. 1 answer
2. 192 views
Blake is told that an angle has a cosine of −1/6√ and is in Quadrant III. Use the Pythagorean identity sin2(θ)+cos2(θ)=1 ,
1. 1 answer
2. 95 views