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October 01, 2025, 05:52:08 am
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Author Topic: trig question.  (Read 4028 times)  Share 

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nbalakers24

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trig question.
« on: April 11, 2010, 01:10:10 pm »
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Hi guys,

evaluate sin, cos, tan of 225 degrees.

i dont get this part :S

help appreciated :D :D :D :D :D :D :D
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m@tty

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Re: trig question.
« Reply #1 on: April 11, 2010, 01:18:05 pm »
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So you need to find:





and .

And you should know these exact values.
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nbalakers24

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Re: trig question.
« Reply #2 on: April 11, 2010, 01:21:26 pm »
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ohhhh because 225 is in 2nd quadrant. so its 180 + x

thanks
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superflya

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Re: trig question.
« Reply #3 on: April 11, 2010, 01:22:54 pm »
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Quote from: nbalakers24 on April 11, 2010, 01:21:26 pm
ohhhh because 225 is in 2nd quadrant. so its 180 + x

thanks


3rd*
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m@tty

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Re: trig question.
« Reply #4 on: April 11, 2010, 01:23:16 pm »
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Ah, it's third quadrant.
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nbalakers24

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Re: trig question.
« Reply #5 on: April 11, 2010, 01:30:40 pm »
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oh yeah my bad LOL
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the.watchman

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Re: trig question.
« Reply #6 on: April 11, 2010, 01:51:50 pm »
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S | A
-----
T | C

:D
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m@tty

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Re: trig question.
« Reply #7 on: April 11, 2010, 01:59:52 pm »
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My teacher in the spur of the moment came up with a mnemonic to remember the signs of each quadrant, he said "All Students Talk Crap", it was so funny.
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brightsky

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Re: trig question.
« Reply #8 on: April 11, 2010, 02:00:57 pm »
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Quote from: m@tty on April 11, 2010, 01:59:52 pm
My teacher in the spur of the moment came up with a mnemonic to remember the signs of each quadrant, he said "All Students Talk Crap", it was so funny.

Hahaha, ingenious!!
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the.watchman

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Re: trig question.
« Reply #9 on: April 11, 2010, 02:02:09 pm »
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'All Stations to Camberwell', our teacher's non-expletive version ;)
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naved_s9994

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Re: trig question.
« Reply #10 on: April 11, 2010, 03:19:42 pm »
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My teacher was BAD!

1.South Australian Tennis Club

2.All students throw chalk

3.All sluts take cash

I remember all three :P
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TrueTears

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Re: trig question.
« Reply #11 on: April 11, 2010, 03:25:57 pm »
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All Saturdays Turn Cold
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Blakhitman

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Re: trig question.
« Reply #12 on: April 11, 2010, 03:27:24 pm »
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lol a friend came up with "all sluts take c$ck". lol she said it quite loud in class too ><.
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GerrySly

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Re: trig question.
« Reply #13 on: April 11, 2010, 04:00:37 pm »
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Quote from: Blakhitman on April 11, 2010, 03:27:24 pm
lol a friend came up with "all sluts take c$ck". lol she said it quite loud in class too ><.

That's what most of our class used as well haha :P
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Blakhitman

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Re: trig question.
« Reply #14 on: April 11, 2010, 04:03:10 pm »
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Quote from: GerrySly on April 11, 2010, 04:00:37 pm
Quote from: Blakhitman on April 11, 2010, 03:27:24 pm
lol a friend came up with "all sluts take c$ck". lol she said it quite loud in class too ><.

That's what most of our class used as well haha :P

Has worked so far, I can't forget it lol.
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