If x/a – y tanq/b = 1 and x tanq/a + y/b = 1, then the value of x²/a² + y²/b² is

(a) 2sec2q
(b) sec2q
(c) cos2q
(d) 2 cos2q

Anurag Mishra Professor Asked on 20th February 2016 in Maths.
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    Answer: (a) 2sec2q

    Anurag Mishra Professor Answered on 20th February 2016.
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