Let and , where inverse trigonometric functions take only the principal values. Given below are two statements:
Statement I : cos(α + β) > 0
Statement II : cos(α) < 0
In the light of the above statements, choose the correct answer from the options given below:
\frac12<\frac6{11}<\frac1{\sqrt2}
\therefore\ \cos\alpha<0
0<\frac49<\frac12
\pi<\beta<\frac{3\pi}{2}
\therefore\ \cos(\alpha+\beta)>0
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