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Lesson 8 discuss trigonometry textbook exercise (in Hindi)
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lesson 9 discuss trigonometry textbook exercise

Dr Pratibha Gupta
My name is Dr.pratibha Gupta .I am a teacher . My experience has been in teaching for math and science subject for several years in Delhi.

Unacademy user
Please provide model answers so that we can verify..
  1. LA in erm ec 1 an A CotA Sec Rec A SecA Sec A SecA -

  2. g Evaluute x sin (40- os')

  3. Choose the con, Jush a) 0 Ans ) | sine Cobe Coge Coge Sin Casa cin 8

  4. Sin A n) See A 1

  5. ouing identihies , whure t ale involve rbve We acute a n L HS- Coo) Sine- 2

  6. COS A i+sin A Cos A Cos A Cos A 2 2. e C CosA CogA