3. Trigonometry
Interactive practice questions
Find the acute angle $\theta$θ to the nearest degree if $\sin\theta=0.1$sinθ=0.1.
Easy
1min
Find the acute angle $\theta$θ to the nearest degree if $\cos\theta=0.73$cosθ=0.73.
Easy
< 1min
Find the acute angle $\theta$θ to the nearest degree if $\tan\theta=1.3$tanθ=1.3.
Easy
< 1min
Find the acute angle $\theta$θ to the nearest degree if $\cos\theta=\frac{4}{9}$cosθ=49.
Easy
< 1min
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