Which mechanism explains the increased accuracy of Islamic astronomical observations after introduction of trigonometry?

💡 Explanation

After the introduction of trigonometry into Islamic astronomy, observations improved via trigonometric functions, because sine, cosine and tangent provided more accurate calculation of celestial angles within large triangles than purely geometric methods. Therefore, the consequence is more precise angular measurement using sine, rather than increased accuracy in the other options which relate weakly to trigonometry.

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