Asked by adityasood | 6th Dec, 2009, 02:03: PM

Expert Answer:

For remembering Trigonometric formulae  you need to parctice questions based on the application of formuale when you use them over and over they will be in your memory.

The Basic ones are Sin (x+y) and cos (x+y) rest all are derived from them.

Refer to list of Formuale and concepts of this chapter provided on the web

Answered by  | 7th Dec, 2009, 09:30: AM

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