Answers

2016-03-19T13:57:43+05:30
See it differs from school to school in my school introduction to trigonometry was taught In some others linear equations were taught
2 2 2
In my school and Ncert book it was real number
2016-03-19T14:44:22+05:30
Trigonometry and geometry .

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1 5 1
Please mark it brainiest answers..................................................