The diagram shows the triangle ABC with AB = 11 cm, BC = 6 cm and AC
Question:
The diagram shows the triangle ABC with AB = 11 cm, BC = 6 cm and AC = 7 cm.
a. Find the exact value of cos B, giving your answer in simplest form.
b. Hence find the exact value of sin B.
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To find the exact value of cos B and sin B in triangle ABC we can use the cosine ru...View the full answer
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Related Book For 
Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS
ISBN: 9781292183398
1st Edition
Authors: Greg Attwood
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