The angle $70^{\circ}$ is shown on the unit circle together with its coordinates.

State another angle that has the same sin value but a different $\cos$ value.

Answer

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Answer

2. Calculate the angle: $180^{\circ} - 70^{\circ} = 110^{\circ}$

Steps

Step 1 ：1. $70^{\circ}$ is in Quadrant I, so consider the Quadrant II angle with the same sin value: $180^{\circ} - 70^{\circ}$

Step 2 ：2. Calculate the angle: $180^{\circ} - 70^{\circ} = 110^{\circ}$