Verify the identity. cos 4x + cos 2x = 2 - 2 sin^2(2x) - 2 sin^2 x

Mathematics

1 answer:

Advocard [28]3 years ago

8 0

So are you trying to simplify one side to get it to look like the other?

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Which of the following is a rational number?

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An irrational number is a number that cannot be expressed as a fraction, like Pi
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The square root of 2 is irrational as it cannot be expressed as a fraction since the decimal never stops and never repeats.
Same goes for the square root of 3, and 5
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Square root of 1 is rational as because the square root of 1 is 1, and the number 1 can be expressed as a fraction (1/1)

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Answer:

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Width of 76 inches and length of 3

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What’s the correct answer?

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9 > 5

1809.99 -> 1810

1,810 people have reached the top of Mount Everest.

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