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CBSE Class 10 Answered

Easy way to solve triogonmetry iden.?
Asked by sonali221994 | 23 Nov, 2009, 02:36: PM
answered-by-expert Expert Answer

If you keep following points in mind it will help

(i) Learn the basic identities

(ii)Each identity can be expressed in two other forms  take care of signs while transposing.

(iii) When solving problems you can either take the LHS or the RHS

Observe and analyze which way it is easy to arrive at the other side Use techniques such as substitution, factorisation, rationalisation, create common denominators, accordingly to simplify and attain the other side.

 (iv)Do not start simplifying both sides simultaneously start with one of the sides and arrive at the other side.

 

 

 

 

Answered by | 23 Nov, 2009, 04:55: PM

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