Half Angle Identities Flashcards
Formula are listed
1
Q
1) tan A / 2 = ?
A
+/- (sqrt(1 - cos A / 1 + cos A))
2
Q
2) tan A / 2 = ?
A
sin A / 1 + cos A
3
Q
3) tan A / 2 = ?
A
1 - cos A / sin A
4
Q
sin A / 2 = ?
A
+/- (sqrt(1 - cos A / 2))
5
Q
cos A / 2 = ?
A
+/- (sqrt(1 + cos A / 2))