if a sec theta + b tan theta= 1 and asquare sec square theta  - b square tan square theta =5. then a square b square + 4 a square is equal to [ -2/b, 9/ a square,  9 b square 9 , 1]  sir  please answer it in simple way,. 

Asked by Rony Joseph | 3rd Apr, 2014, 06:41: PM

Expert Answer:

Answered by  | 4th Apr, 2014, 11:53: AM

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