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CBSE Class 10 Answered

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Asked by araima2001 | 08 Dec, 2015, 08:33: AM
answered-by-expert Expert Answer
begin mathsize 16px style cos space 15 equals cos left parenthesis 45 minus 30 right parenthesis equals cos 45. cos 30 plus sin 45. sin 30 equals fraction numerator 1 over denominator square root of 2 end fraction cross times fraction numerator square root of 3 over denominator 2 end fraction plus fraction numerator 1 over denominator square root of 2 end fraction cross times 1 half equals fraction numerator square root of 3 over denominator 2 square root of 2 end fraction plus fraction numerator 1 over denominator 2 square root of 2 end fraction equals fraction numerator square root of 3 plus 1 over denominator 2 square root of 2 end fraction end style
Answered by Rashmi Khot | 08 Dec, 2015, 09:03: AM

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CBSE 10 - Maths
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