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N76 [4]
3 years ago
7

Sine, cosines and tangent of 30 45 and 60 degrees

Mathematics
1 answer:
bonufazy [111]3 years ago
3 0

Answer:

Sine 30 =

\frac{1}{2}

Sine 45 =

\sqrt{ \frac{2}{2} }

Sine 60 =

\sqrt{ \frac{3}{2} }

Cos 30 =

\sqrt{ \frac{3}{2} }

Cos 45 =

\sqrt{ \frac{2}{2} }

Cos 60 =

\frac{1}{2}

Tan 30 =

\sqrt{ \frac{3}{3} }

Tan 45 =

1

Tan 60 =

\sqrt{3}

Step-by-step explanation:

I hope it helps

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Answer:

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Step-by-step explanation:

hope this helps :)

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Poor Milhouse is hopelessly in love with Lisa. Unfortunately for Milhouse, Lisa does not feel the same way. However, Milhouse re
rewona [7]

Answer:

15.6%

Step-by-step explanation:

Since each day there is a 6% chance that Lisa smiles at him then that means that each day there is a 94% chance that Lisa does not smile at him. To find the probability of Milhouse going longer than a month (30 days) without a smile from Lisa we need to multiply this percentage in decimal form for every day of the month. This can be solved easily by putting 94% to the 30th power which would be the same, but first, we need to turn it into a decimal...

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Now we can turn this decimal into a percentage by multiplying by 100

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Finally, we can see that the probability that Milhouse goes longer than a month without a smile from Lisa is 15.6%

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