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liberstina [14]
3 years ago
7

Which is a factor of 21? 4 3 6 5

Mathematics
2 answers:
arsen [322]3 years ago
3 0

Answer:

3

Step-by-step explanation:

Using listing:

1 \times 21 = 21

3 \times 7 = 21

No other factors are possible.

Hence, 1, 3, 7 and 21 are factors of 21.

Nadusha1986 [10]3 years ago
3 0

Answer: 3

Step-by-step explanation:

3 is the only number you can multiply to get 21. Example 3x7=21

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The required coordinates of the unit circle for s = -11π/6 is (√3/2, 1/2). Using trigonometric functions, the required answer is calculated.

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<h3>Calculation:</h3>

For a unit circle, the coordinates are given in the form of trigonometric functions as below:

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Here it is given that s = θ = -11π/6

So, on substituting,

x = cos θ = cos (-11π/6)

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