OCR C3 — Question 3

Exam BoardOCR
ModuleC3 (Core Mathematics 3)
TopicReciprocal Trig & Identities
  1. Find all values of \(\theta\) in the interval \(- 180 < \theta < 180\) for which
$$\tan ^ { 2 } \theta ^ { \circ } + \sec \theta ^ { \circ } = 1$$
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