How do you find the exact value of $sin30-sin60$ ?

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Answer 1 · 2016-12-29T13:07:11

$(1-sqrt3)/2$

Using the standard values for the angle we have

$sin30^0=1/2$

$sin60^0=sqrt3/2$

$sin30^0-sin60^0=1/2-sqrt3/2$

$=(1-sqrt3)/2$

How do you find the exact value of sin30-sin60sin30-sin60?