(sin 35°/cos 55°)² – (cos 55°/sin 35°)² + 2 sin 30° is equal to :

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

Anurag Mishra Professor Asked on 19th February 2016 in Maths.
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  • 1 Answer(s)

    Answer: (c) 1

    Anurag Mishra Professor Answered on 20th February 2016.
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