BASIC ANGLES

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tan 120 is a negative number because
the angle, 120, lies in the second quadrant
1 of 5
only sine 0 to 180 is a positive number.
1st and 2nd quadrant
2 of 5
cos(180-@) is -cos@
180-@ lies in the 2nd quadrant
3 of 5
-675 degree equals to
-675+2(360)= 45 which is 1st quadrant
4 of 5
-460 degree equals to
-460 + 360= -100, which is the 3rd quadrant
5 of 5

Other cards in this set

Card 2

Front

only sine 0 to 180 is a positive number.

Back

1st and 2nd quadrant

Card 3

Front

cos(180-@) is -cos@

Back

Preview of the front of card 3

Card 4

Front

-675 degree equals to

Back

Preview of the front of card 4

Card 5

Front

-460 degree equals to

Back

Preview of the front of card 5

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