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scZoUnD [109]
3 years ago
5

How to solve sin(pi/2) without a calculator ...?

Mathematics
1 answer:
Vinvika [58]3 years ago
7 0

By the definition of the functions of trigonometry, the sine of  is equal to the -coordinate of the point with polar coordinates , giving . Similarly, , since it is the -coordinate of this point. Filling out the rest trigonometric functions then gives

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Eight times a sum of a number is 5
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Answer:

Step-by-step explanation:

So 8 times what is 5?

8 times x=5

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True or False, Intrusive rocks have large crystals?
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<h2>Answer:</h2>

<h3>True</h3>

<h2>Step-by-step explanation:</h2>

<h3>Intrusive rocks, have large crystals that are usually visible without a microscope. </h3>

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Anya wanted a book that cost $34.99 regularly at the bookstore. If Anya had a coupon for 20% off any regularly priced item at th
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3 years ago
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3 years ago
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adelina 88 [10]

Answer:

L = 10(\frac{1}{2} )^{t-4}

Step-by-step explanation:

If t is the number of days since Sofia took the medication of 10 mg, then the amount of medication in her system after t days will be S = 10(\frac{1}{2} )^{t}.

So, the concentration of medicine in blood decreases by a factor of one half every day.

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3 0
4 years ago
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