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CBSE Class 10 Answered

Find the value
Asked by priyankas | 05 Dec, 2008, 01:20: AM
answered-by-expert Expert Answer

This is an identity. An identity is  basically an equation which  holds for all values of the variable.You could try it out by  substituting angles to which the cosine and sine values are known to you.

Answered by | 06 Dec, 2008, 10:49: AM

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