Geometry and Trigonometry

Mathematics: AI HL

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Mathematics: AI HL

Available time 20 Minute(s)

Express the trigonometric functions in terms of r.

Geometry and Trigonometry

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Available time 20 Minute(s)

01. Question

Level Medium

Maximum Mark 6

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Let $\tan θ = r,$ for $\frac{π}{2} < θ < π,$ where $r$ is a negative constant.
Express in terms of $r$

(a) $\cos θ$

[Marks: 4]

(b) $\sin θ$

[Marks: 2]

End Test