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P-valueα
sinA=sinB cosA=sinB sinA=cosB ∠A.+∠B.=90°
﹣|﹣5|>4 ﹣3<|﹣3| ﹣|﹣4|=4 |﹣5.5|<5
sin A.=sin B.sin A.=cos B. tan A.=tan B. cos A.=tan B.
ab>bc; ac>bc; ac>ab; ab>ac;
-1+1=0 -1-1=0
sinA=sinB cosA=cosB sinA=cosB sin(A+B)=sinC
﹣|﹣5|>4 ﹣3<|﹣3| ﹣|﹣4|=4 |﹣5.5|<5
11011B>44O 100<62H 237O=10011110B DBH=219
f(x+π)=sin x f(2π-x)=sin x f(π-x)=-f(x)
﹣|﹣5|>4 ﹣3<|﹣3| ﹣|﹣4|=4 |﹣5.5|<5
a>b a<1 ab<0 b<1
tanA=cotB tanAcotB=1 (sinA)+(cosA)=1 ( )(sinA)+(sinB)=1