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lukranit [14]
3 years ago
7

Use a sum or difference formula to find the exact value of

Mathematics
1 answer:
kow [346]3 years ago
4 0
We obtain sin( 11pi/12 - 2pi/3 ) = sin( 11pi/12 - 8pi/12 ) = sin( 3pi/12) = sin(pi/4) = \frac{ \sqrt{2} }{2}  ;  (ave the formula sinxcosy - cosxsiny = sin(x-y));
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Answer:

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