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iGCSE (2021 Edition)

7.06 Solving trigonometric equations 1

Interactive practice questions

Find the measure in degrees of the acute angle satisfying $\sin\theta=\frac{1}{\sqrt{2}}$sinθ=12.

Easy
1min

Find the measure of the angle satisfying $\cos\theta=\frac{1}{\sqrt{2}}$cosθ=12 for $0^\circ<\theta<90^\circ$0°<θ<90°.

Easy
< 1min

Find the measure in degrees of the acute angle satisfying $\tan\theta=\sqrt{3}$tanθ=3.

Easy
< 1min
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Outcomes

0606C10.4

Use the relationships sin^2 A + cos^2 A = 1, sec^2 A = 1 + tan^2 A, cosec^2 A = 1 + cot^2 A, sinA/cosA = tan A and cosA/sinA = cotA.

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