This question was asked in Ex 8.4, 4
  1. 1 tan sq.A=sec sq.A
  2. Sec sq.A - tan sq.A=1
  • 9sec sq.A-9tan sq.A
  • =9(sec sq.A-tan sq. A)
  • =9(1)
  • =1
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palarasam tech
Oct. 10, 2019, 8:06 p.m.

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