3 years ago

What is the relationship between cos(90°) and cos(-90°)?

Mathematics

1 answer:

sdas [7]3 years ago

7 0

Answer:

they have the same value (0)

Step-by-step explanation:

Cosine is an even function, meaning that cos(x) = cos(-x). When x=90°, we have ...

cos(90°) = cos(-90°)

Both values happen to be zero.

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Nadya [2.5K]

Answer:

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Step-by-step explanation:

(1): "36.75" was replaced by "(3675/100)".

2 Simplify 147/4

3 147 /4 divided by 3

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3 years ago

Write an explicit formula for an, the nth term of the sequence 27, 21, 15, ….

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Step-by-step explanation:

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3 years ago

Rearrange the equation a = 1/2 b to make b the formula

Evgesh-ka [11]

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Step-by-step explanation:

<u>Original equation</u>

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Hope this helps!! :)

Please let me know if you have any quesitons

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ycow [4]

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2 years ago

Dana walks 3/4 miles in 1/4 hours. What is dana's walking rate in miles per hour?

Harman [31]

Dana’s waking rate in miles per hour is 3 mph.

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3 years ago

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