4(cos⁶A-sin6A) = cos³2A+3cos2A
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Step-by-step explanation:
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The phrase " the sum of x and 8" is equivalent to adds the number x and the number 8 or sum the number x plus the number 8
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Answer:
Step-by-step explanation:
we know that
The phrase " the sum of x and 8" is equivalent to adds the number x and the number 8 or sum the number x plus the number 8
so