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點解呢個WEBSITE D MODEL全部都咁柒 其中一個係NICKSUNG黎
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點解呢個WEBSITE D MODEL全部都咁柒 其中一個係NICKSUNG黎
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魯魯
如0<A<PI/2, 證明2+SINA-COSA>0
魯魯
如0<A<PI/2, 證明2+SINA-COSA>0
D左佢,sub數, increasing,proved
魯魯
如0<A<PI/2, 證明2+SINA-COSA>0
D左佢,sub數, increasing,proved
INCREASING都可以負數GA BOR
魯魯
如0<A<PI/2, 證明2+SINA-COSA>0
D左佢,sub數, increasing,proved
INCREASING都可以負數GA BOR
你個gradient係正數,既係成個function係呢個range係increasing,咁係0係岩既話,之後個value係increasing,咁就知之後啲數就岩
魯魯
如0<A<PI/2, 證明2+SINA-COSA>0
D左佢,sub數, increasing,proved
INCREASING都可以負數GA BOR
你個gradient係正數,既係成個function係呢個range係increasing,咁係0係岩既話,之後個value係increasing,咁就知之後啲數就岩
魯魯
如0<A<PI/2, 證明2+SINA-COSA>0
D左佢,sub數, increasing,proved
INCREASING都可以負數GA BOR
你個gradient係正數,既係成個function係呢個range係increasing,咁係0係岩既話,之後個value係increasing,咁就知之後啲數就岩
At a=0, 2+0-1>0
f(x)>0
f'(x)=cos(a)+sin(a)
Between 0<a<pi/2,f'(x)>0
f(x) is increasing at this range
=> true