Applying Trig Functions

The angle 135 degrees is in which quadrant?

Evaluate tan x if we know sin x = -99/101 and x is in quadrant 4.

• 20/101

• -20/101

• 99/20

• -99/20

Evaluate sin x, if we know cos x = 17/145 and x is in quadrant 3.

• 144/145

• -144/145

• 144/17

• -144/17

Evaluate cos x, if we know tan x = 9/12 and x is in quadrant 4.

• 9/15

• -9/15

• 12/15

• -12/15

Evaluate tan x, if we know that sin x = -3/5 and x is in quadrant 4.

• 4/5

• -4/5

• 3/4

• -3/4

If cos x = 5/13, evaluate sin x if angle x is in Quadrant 2.

• 12/13

• -12/13

• 12/5

• -12/5

The angle 315 degrees is in which quadrant?