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3.4 Trigonometry (A-level only)
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Question 14
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Solve, for
0≤x≤3600 \leq x \leq 360
0
≤
x
≤
360
, the equation,
3tan2x+8secx−2=0 3\tan^2x + 8\sec x - 2 = 0
3
tan
2
x
+
8
sec
x
−
2
=
0
Give your answers to 1 decimal place.
[5]
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3.4 Trigonometry (A-level only) Questions
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3.4 Trigonometry (A-level only)
