A-level Maths · Trigonometry

Solve a trigonometric equation

Solve sin, cos or tan equations for 0 ≤ x < 360°, with or without a shifted angle.

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Question 1

Solve the equation sin⁡x=0.78\sin x = 0.78 for 0≤x<360∘0 \le x < 360^{\circ}. Give your answers to 1 decimal place, separated by commas.

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Separate answers with commas, in any order, for example 2, -3 or x = 2 or x = -3.

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