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Q. Multiplying Mixed Numbers?
Ans.
Multiplying mixed numbers is a 3-step process:
1. Convert the mixed numbers to improper fractions
2. Multiply the fractions
3. Convert the result back into a mixed number (if you want).
Lets look at a couple of examples:
Note: Since the original problem began with mixed numbers, you should leave the answer as a mixed number.
Here's another one you can look at...
2(sin 6 ?+cos 6 ?) - 3(sin 4 ?+cos 4 ?)+1 = 0 Ans: (Sin 2 ?)3 + (Cos 2 ?)3-3 (Sin 4 ?+(Cos 4 ?)+1=0 Consider (Sin 2 ?)3 +(Cos 2 ?)3 ⇒(Sin 2 ?+Cos 2 ?)3-3 Sin 2 ?Co
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