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miv72 [106K]
3 years ago
7

What is the value of cos^-1 (-0.26)?

Mathematics
1 answer:
zlopas [31]3 years ago
6 0

Answer:

1.83381852

Step-by-step explanation:

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If x=5^a, find the value of 5x. How?
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Answer:

5x = 5^{(a+1)}

Step-by-step explanation:

Here is a problem with the concept of properties of the exponent.

We are given x = 5^{a} and we have to find the value of 5x.

Now, 5x = 5 \times 5^{a} {Since we are given that x = 5^{a}}

⇒ 5x = 5^{1} \times 5^{a} {Since we can write x = x^{1}}

⇒ 5x = 5^{(a+1)} {Since we know the formula of exponent as x^{m} \times x^{n} = x^{(m + n)}}

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403,000,000,000,000

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4.03000000000000  so the b is 14

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