| Exam Board | Edexcel |
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| Module | C2 (Core Mathematics 2) |
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| Topic | Trig Equations |
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7. (a) Find, to 2 decimal places, the values of \(x\) in the interval \(0 \leq x < 2 \pi\) for which
$$\tan \left( x + \frac { \pi } { 4 } \right) = 3 .$$
(b) Find, in terms of \(\pi\), the values of \(y\) in the interval \(0 \leq y < 2 \pi\) for which
$$2 \sin y = \tan y .$$