OCR C2 — Question 5

Exam BoardOCR
ModuleC2 (Core Mathematics 2)
TopicTrig Equations
  1. (i) Given that
$$8 \tan x - 3 \cos x = 0$$ show that $$3 \sin ^ { 2 } x + 8 \sin x - 3 = 0$$ (ii) Find, to 2 decimal places, the values of \(x\) in the interval \(0 \leq x \leq 2 \pi\) such that $$8 \tan x - 3 \cos x = 0$$
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