اقتباس:
المشاركة الأصلية كتبت بواسطة Unique Muslimah
3) without using caculator find
w/o calculator??!!!!! that's crazzzy!! how do u do that???
i'm already done with school, alhamdulillah :P but i just wanna know for fun
how do u do sin, cos, & tan without a graphing >TI-83 calculator??1 cuz my teacher taught us 2 do it WITH calculator!!
anways...thanks for the topic that i'm sure many will benefit from, isa 
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That's why education is Egypt is stupid :D:D:D
but i think this one isn't so stupid :D:D