Which expression is equivalent to sin (pi/12)cos(7pi/12) -cos(pi/12)sin(7pi/12) ?

Shikkediel asked Aug 10, 2023

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Shikkediel asked Aug 10, 2023

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17 votes

Answer:

-1

Explanation:

We see the given expression is equal to sin(pi/12 - 7pi/12), which is equal to sin(-pi/2), or just -1.

Rzwitserloot answered Aug 17, 2023

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