sin(-5/6π)等于-sin(π-π/6)吗,后面又怎么算?

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sin(-5/6π)等于-sin(π-π/6)吗,后面又怎么算?

sin(-5/6π)等于-sin(π-π/6)吗,后面又怎么算?
sin(-5/6π)等于-sin(π-π/6)吗,后面又怎么算?

sin(-5/6π)等于-sin(π-π/6)吗,后面又怎么算?
sin(-5/6π)=-sin(π-π/6)=-sinπ/6=-1/2