How is sin to cos?
GeneralClass 12AllAnswered 27 Mar 2026
Answer
The relationship between sine and cosine is given by the complementary angle identity:
- sin θ = cos(90° - θ)
- cos θ = sin(90° - θ)
Also, they're related by the Pythagorean identity: sin²θ + cos²θ = 1
To convert between them, you can use: cos θ = √(1 - sin²θ) or sin θ = √(1 - cos²θ)
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