anonymous
  • anonymous
Use triangles to show your work..... sin(90)+tan(45)=?
Mathematics
  • Stacey Warren - Expert brainly.com
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schrodinger
  • schrodinger
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anonymous
  • anonymous
@satellite73 @amistre64 @.Sam. ???? a friend told me you guys were awesome!!! I am new to this sight and in need of help
amistre64
  • amistre64
triangle eh ...
amistre64
  • amistre64
not sure how you would draw a triangle for a 90 degree angle ... at least not one that would make any sense

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amistre64
  • amistre64
|dw:1377633332336:dw|
amistre64
  • amistre64
or maybe 2 difference unit circle representations ....
anonymous
  • anonymous
well my professor ssaid that I can't use the unt circle or memorization for this first section and that was one of the example problems. I don't have problems wth any of the other angles, accept for 0, 90,180, and 270
amistre64
  • amistre64
|dw:1377633404695:dw|
amistre64
  • amistre64
you can make a triangle of 90 degrees ... at least not by the conventional definition
anonymous
  • anonymous
can? or did you mean can't?
amistre64
  • amistre64
cant ... as the angle approaches 90 degrees you pretty much define a line |dw:1377633485955:dw|
amistre64
  • amistre64
b = 0 and a = c a^2 + 0^2 = c^2 a^2 = c^2
amistre64
  • amistre64
to define the angle: a/c = c/c = 1 might be "ok"
amistre64
  • amistre64
|dw:1377633690594:dw|
amistre64
  • amistre64
\[\sin\alpha=\frac{a}{c}\] \[\sin90^o=\frac{a}{c}=\frac cc=1\]
amistre64
  • amistre64
on a 45 degree angle, a=b, tan(45) = a/b = b/b = 1
anonymous
  • anonymous
Thank you for all your help
amistre64
  • amistre64
youre welcome ... its an odd request to do it using only triangles ... but that would be my best attempt :)

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