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Lesson 3 trigonometry textbook exercise 8.1 (in Hindi)
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lesson 4 trigonometry discuss textbook exercise 8.1

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.

U
Unacademy user
GOOD view on preparing current affairs sir.
thank you so much!
  1. LA &LB ae acute then show that LA=LB one acute an Give Cos A=Cos B Base(AD a (OD CD CoMMON BD Bc ADC ~ BDC .Css similarity chuon SO


  2. evaluate Cot20 ( ) (1+9 (1-SiRO) Given Sint- (u. 113 ne13 113 2 AC 113 113 7 12 )3 113 64 6 4 13 q 64 113-49 113


  3. cot = -tant A Sol L-H.s I- tan A 2 2 6+9 9 5 L. H s = RH's.


  4. cthe value Co)C - SinAsine C) Sin A Cc Cos A Sin 6 3 A e +3 2 2,