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CUET
General Test
Quantitative Reasoning
Trigonometry
If sin A = 4/5, then what is the value of sin2 A?
26/25
36/25
48/25
16/25
Given :-
sinA = \(\frac{4}{5}\)
(sinA )2= ( \(\frac{4}{5}\) )2
= \(\frac{4}{5}\) × \(\frac{4}{5}\)
= \(\frac{16}{25}\)