NZ Level 8 (NZC) Level 3 (NCEA) [In development]
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Solve more trigonometric equations

Interactive practice questions

Solve $\sin^2\left(x\right)-6\cos^2\left(x\right)=1$sin2(x)6cos2(x)=1 over the interval $[$[$0$0, $2\pi$2π$)$).

Easy
Approx 4 minutes
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Solve $36\left(1-\cos x\right)\left(1+\cos x\right)=27$36(1cosx)(1+cosx)=27 over the interval $[$[$0$0, $2\pi$2π$)$).

Solve $4\cos x-2=2\sqrt{3}-\sqrt{3}\sec x$4cosx2=233secx over the interval $[$[$0$0, $2\pi$2π$)$).

Solve $\sec^2\left(x\right)=2\tan x$sec2(x)=2tanx over the interval $[$[$0$0, $2\pi$2π$)$).

Outcomes

M8-7

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

91575

Apply trigonometric methods in solving problems

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