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postnew [5]
3 years ago
13

Cos 60 degrees=1/2 and sin 60 degrees = square root 3/2 true or false

Mathematics
1 answer:
madam [21]3 years ago
3 0

Answer:

cos 60 degrees=1/2 and sin 60 degrees = square root 3/2

The answer it's true.

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Show all work to multiply (6+square root -64)(3-square root -16)
Hunter-Best [27]

Answer:

50

Step-by-step explanation:

- 8i = √-64

8i + 6

- -4i = -√-16

-4i + 3

[8i + 6][-4i + 3] → FOIL

>> -32i² + [24i - 24i] + 18

↑ ↑

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>>> 32 + 18 = 50

Information on Imaginary Numbers

√-1 = i

-1 = i²

-i = i³

1 = i⁴ [And every other exponent that is a multiple of 4; this cycle then repeats itself every time you go up one number at a time]

If you are ever in need of assistance, do not hesitate to let me know by subscribing to my You-Tube channel [USERNAME: MATHEMATICS WIZARD], and as always, I am joyous to assist anyone at any time.

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just olya [345]

Answer:

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Step-by-step explanation:

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Answer:

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