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10.05 Solving for angles in right triangles

Interactive practice questions

If $\cos\theta=0.146$cosθ=0.146, find $\theta$θ, writing your answer to the nearest degree.

Easy
1min

If $\tan\theta=0.21$tanθ=0.21, find $\theta$θ, writing your answer to the nearest degree.

Easy
< 1min

If $\sin\theta=0.825$sinθ=0.825, find $\theta$θ, writing your answer to the nearest degree.

Easy
< 1min

If $\tan\theta=0.577$tanθ=0.577, find $\theta$θ, writing your answer to the nearest degree.

Medium
< 1min
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Outcomes

G.SRT.7

Explain and use the relationship between the sine and cosine of complementary angles.

G.SRT.8

Solve problems involving right triangles

G.SRT.8a

Use trigonometric ratios and the Pythagorean Theorem to solve right triangles in applied problems if one of the two acute angles and a side length is given.

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