how i can be an xpert in this?????????/
Last Activity: 14 Years ago
If you meant TRIGONOMETRY as tri and want to be able to do every single type of question then i think you could solve
S.L.Loney's PLANE TRIGONOMETRY part I and part II .
these books give a very good base and also deal with high order thinking questions and of course Practice makes Perfect.
So the more u practice the more expertise u achieve !
Best Of Luck
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