Use the sum or difference formula for sine to find the exact value for
sin
(
−
7
π
12
)
\displaystyle {\sin{{\left(-\frac{{{7}\pi}}{{12}}\right)}}}
sin
(
−
12
7
π
)
sin
(
−
7
π
12
)
=
\displaystyle {\sin{{\left(-\frac{{{7}\pi}}{{12}}\right)}}}=
sin
(
−
12
7
π
)
=
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\displaystyle
Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity
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