If tan α = -7/24 and α is obtuse, find the value of tan α/2 and hence find sin α/2 and cos α/2.
Use this results to evaluate sin α and cos α and check that they are consistent with the given value of tan α.
*close book, open facebook*
why la I got different answer ? habis mood study aku hari ni --"
why la I got different answer ? habis mood study aku hari ni --"
4 mulut bersuara:
aaaaa... bukan add math jeke ? O.o
Hahaha tu la pasal! Tpi yg cnfirm bkn add math ah hahaha cuma sedikit cnfused dgn jwpn. Rupa2nya silap quadrant. Hahahaha
lama xkomen :)
student kan, biasa la ;)
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