If 6 (\sec^{2}59^{ \circ }−\cot^{2}31^{ \circ }) + \frac{2}{3}sin90^{ \circ }−3tan^{2}56^{ \circ }\:ytan^{2}34^{ \circ } = \frac{y}{3}, then the value of y is:

SSC CHSL 5 July 2019 Shift 2 Paper

Question : 56 of 100

Marks: +1, -0

6 (sec^{2}59^{ ∘ }−cot^{2}31^{ ∘ }) + \;{2}/{3}sin90^{ ∘ }−3tan^{2}56^{ ∘ }\:ytan^{2}34^{ ∘ } = \;{y}/{3},

then the value of y is:

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