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Using the addition of two angles formula and sine
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Mathematics
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11th Grade - University
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Hard
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The video tutorial explains how to find the sine of 13π/12 by breaking it into two angles, 3π/4 and π/3, using the sum of angles formula. The instructor demonstrates how to calculate the sine and cosine values from the unit circle and combines them to find the solution. The final answer is expressed in a simplified form.
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