NZ Level 8 (NZC) Level 3 (NCEA) [In development]
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Solve trigonometric equations with exact values

Interactive practice questions

Find the measure in radians of the angle satisfying $\cos\theta=\frac{\sqrt{3}}{2}$cosθ=32 for $0<\theta<\frac{\pi}{2}$0<θ<π2.

Easy
Approx 2 minutes
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Find the measure in radians of the acute angle satisfying $10\sin\theta-5=0$10sinθ5=0.

Find the measure in radians of the acute angle satisfying $\tan\theta=\frac{2}{\sqrt{3}}-\tan\theta$tanθ=23tanθ.

Consider the equation $\sin\theta=-\frac{1}{2}$sinθ=12 for $0<\theta<\frac{\pi}{2}$0<θ<π2.

Outcomes

M8-7

Form and use trigonometric, polynomial, and other non-linear equations

91575

Apply trigonometric methods in solving problems

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