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Mathematics 23 Online
faithkristine:

please answer asap. just tell me the answer its too late to explain

faithkristine:

snowflake0531:

First use the pythagorean theorem to find the hypotenuse \[a^2+b^2=c^2\]

faithkristine:

ok

snowflake0531:

So using that what is the hypotenuse side's length

faithkristine:

idk how to plug that in haha ya girl dumb i havent been able to do math since the 6th grade ill never get it

snowflake0531:

So we have sides 16 and 30 \[16^2+30^2=x^2\] what is x^2

faithkristine:

i did 16squared + 30squared and got 1156

snowflake0531:

Yes and what is the square root of 1156

faithkristine:

34

snowflake0531:

Yes so hypotenuse is 34

snowflake0531:

So now look at x, we want sin X, so what is the opposite side, what is hypotenuse

faithkristine:

0.5592

faithkristine:

?

snowflake0531:

...what is the opposite side, what is the hypotenuse

faithkristine:

idk

snowflake0531:

Look at angle X, what is the side length of the side opposite to that

faithkristine:

im still confused just tell me

snowflake0531:

We would have the opposite side of 16, and the hypotenuse, as said, is 34 \[\sin(x) = \frac {16}{34}\]

faithkristine:

ok

snowflake0531:

1 attachment
snowflake0531:

So we can round it to 28.0725 agreed?

faithkristine:

yes

snowflake0531:

So that's the answer to the first one

faithkristine:

ok

snowflake0531:

One thing you should know is that with teh opposite angle and difference sin w/ cos, it's the same thing so for the second, it's also 28.0725

faithkristine:

oh ok thanks

snowflake0531:

actually wait i did it wrong sinx would be 16/34 And that would be 0.47058823529 which would round to 0.4706

faithkristine:

@snowflake0531 the answers are wrong

snowflake0531:

And cos x would be 30/34 which is 0.88235294117, which rounds to 0.8824

faithkristine:

the 28.0725 is wrong

snowflake0531:

Read what i just wrote

faithkristine:

is that for both?

snowflake0531:

@snowflake0531 wrote:
actually wait i did it wrong sinx would be 16/34 And that would be 0.47058823529 which would round to 0.4706
@snowflake0531 wrote:
And cos x would be 30/34 which is 0.88235294117, which rounds to 0.8824

faithkristine:

thx..whatever your name is

snowflake0531:

sorry, didn't read the question carefully at first o-O

faithkristine:

its ok

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