sin 30degrees cos 240degrees + sin 210degrees sin 300degrees.
-1/4 + sqrt3/4
what is the last step ?? the negative and positive signs confuse me ??
What do you mean last step?
That is the answer. You can't add
-1/4 + (sqrt(3))/4
-1/4 + sqrt3/4
what is the last step ?? the negative and positive signs confuse me ??
That is the answer. You can't add
-1/4 + (sqrt(3))/4