Trigonometric Identities

NZ Level 8 (NZC) Level 3 (NCEA) [In development]

Applications of reciprocal and Pythagorean identities

Solve the equation $2\cos^2\left(\theta\right)=2-\sin\theta$2`c``o``s`2(`θ`)=2−`s``i``n``θ` for $0\le\theta$0≤`θ`$<$<$2\pi$2π.

Easy

Approx 7 minutes

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Manipulate trigonometric expressions

Apply trigonometric methods in solving problems