Solve the following equation for 0 0 360. a) 3 sin + 5 cos
Question:
Solve the following equation for 0° ≤ 0 ≤ 360°.
a) 3 sin²θ + 5 cosθ − 1 = 0
b) 2 sinθ tanθ = 3
c) 7 cos²θ + sin²θ = 5cosθ
d) 3 tanθ = 5 sinθ
e) cos²θ − sin² θ = 0
f) 1 + sinθ cos² θ = sinθ
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a To solve 3 sin 5 cos 1 0 for 0 360 we can use the identity sin cos 1 to substitute sin 1 cos Then we have a quadratic equation in terms of cos 31 co...View the full answer
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Related Book For
Complete Pure Mathematics 1 For Cambridge International AS & A Level
ISBN: 9780198427438
2nd Edition
Authors: Jean Linsky, Brian Western, James Nicholson
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