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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.

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Koushik Bisoyee

2 years ago

Please provide model answers so that we can verify..

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LA in erm ec 1 an A CotA Sec Rec A SecA Sec A SecA -

g Evaluute x sin (40- os')

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

Sin A n) See A 1

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

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