a. Show that the equation 3 sin 2 x cos 2 x = 2 can be
Question:
a. Show that the equation 3 sin2 x – cos2 x = 2 can be written as 4 sin2 x = 3.
b. Hence solve the equation 3 sin2 x – cos2 x = 2 in the interval –180° ≤ x ≤ 180°, giving your answers to 1 decimal place.
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a To show that the equation 3 sinx cosx 2 can be written as 4 sinx 3 we need to simplify the lefthan...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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