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Mathematics 10 Online
OpenStudy (kaylak12345):

help with trig

OpenStudy (mathmusician):

What's the problem?

OpenStudy (kaylak12345):

|dw:1458068213836:dw|

OpenStudy (mathmusician):

Ever heard of this phrase sohcahtoa?

OpenStudy (kaylak12345):

is it 541.9 and yes i used sine to find my answer

OpenStudy (kaylak12345):

im thinking i did something wrong

OpenStudy (mathmusician):

Is that your answer?

OpenStudy (kaylak12345):

maybe its 218.9

OpenStudy (mathmusician):

Well you are given your opposite and you have theta

OpenStudy (kaylak12345):

i used sine 203/sin22 and got 541.901834

OpenStudy (mathmusician):

\[\sin (22) = \frac{ 203 }{ x }\]

OpenStudy (mathmusician):

sin(22) = 0.3746

OpenStudy (kaylak12345):

but thats not an answer choice

OpenStudy (mathmusician):

0.3746 = may i see your answer choices

OpenStudy (kaylak12345):

82 502.4 218.9 541.9

Nnesha (nnesha):

|dw:1458024201497:dw| you have opposite side of an angle and you have to find adjacent so which ratio u should use ?/

OpenStudy (mathmusician):

oh ok i see the problem you need to use tangent to find your answer

OpenStudy (kaylak12345):

oh ok

OpenStudy (mathmusician):

\[\tan (22) = 203/x\]

OpenStudy (mathmusician):

what is tan(22 degrees)

OpenStudy (mathmusician):

=0.40402

OpenStudy (mathmusician):

0.40402 = 203/x

OpenStudy (kaylak12345):

i got 502.4

OpenStudy (mathmusician):

No

OpenStudy (kaylak12345):

i did 203/tan22

OpenStudy (kaylak12345):

thats how i got the answer

OpenStudy (mathmusician):

Now all you have to do is multiply 0.40402*203

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