Solve, for , the equation (2 + 10) = -1.3 Give your answers to 1 decimal…

MATHEMATICS · Subjective · A Level · Mathematics · Trigonometry · Trigonometry

Problem

Solve, for −180≤θ≤180-180 \leq \theta \leq 180, the equation sec⁡(2θ+10)=−1.3\sec (2\theta + 10) = -1.3 Give your answers to 1 decimal place.

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