1.

If 7 cos2θ + 3sin2θ = 6, 0° < θ < 90°, then the value of \(\frac{{{\rm{co}}{{\rm{t}}^2}2{\rm{\theta }} + {\rm{se}}{{\rm{c}}^2}2{\rm{\theta }}}}{{{\rm{ta}}{{\rm{n}}^2}2{\rm{\theta }} - {\rm{si}}{{\rm{n}}^2}2{\rm{\theta }}}}\) is:

A. 49/45
B. 28/27
C. 52/27
D. 26/15
Answer» D. 26/15


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