Q17.3 sin2 20° – 2 tan2 45° + 3 sin2 70° is equal to

Question

(a) 0
(b) 1
(c) 2
(d) -1

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swatiqna 3 years 2021-12-23T11:05:13+00:00 1 Answer 5 views Enlightened 0

Answer ( 1 )

    0
    2021-12-23T11:05:34+00:00

    Answer: (b) 1

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