The diagram shows triangle PQR with PR = 8 cm,QR = 6 cm and angle QPR =

Question:

The diagram shows triangle PQR with PR = 8 cm, QR = 6 cm and angle QPR = 30°.

a. Show that sin Q = 2/3

b. Given that Q is obtuse, find the exact value of cos Q

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Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS

ISBN: 9781292183398

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Authors: Greg Attwood

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The diagram shows triangle PQR with PR = 8 cm,QR = 6 cm and angle QPR =

Question:

P. 30° 8 cm 6 cm R

Step by Step Answer:

To solve this problem we can use the trigonometric ratios and the given information about the triang...View the full answer

Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS

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