a. Show that the equation 2 sin 2 x + 5 cos 2 x = 1 can
Question:
a. Show that the equation 2 sin2x + 5 cos2x = 1 can be written as 3 sin2x = 4.
b. Use your result in part a to explain why the equation 2 sin2 x + 5 cos2 x = 1 has no solutions.
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a To show that the equation 2sin2x 5cos2x 1 can be written as 3sin2x 4 we can simplify the equation ...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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