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Trigonometric Ratios

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Question 7

In triangle $A B C$ , side $AB\,$ has length 6 cm, side $AC\,$ has length 10 cm and $∠BAC=θ\angle BAC = \theta$ , where $A B C$ is measured in degrees. The area of triangle $ABC\,$ is 18 cm²

a.

Find the two possible values of $sin⁡θ\sin \theta$ .

[4]

b.

Given that $BC\,$ is the longest side of the triangle, find the exact length of $B C$ .

[4]

Trigonometric Ratios Questions

AS Level
Maths
Trigonometric Ratios