(a)
The point is .
The above coordinate pair is in first quadrant.
Angle is in first quadrant.
Graph :
From Pythagorean theorem,
.
Six trigonometric functions are,
, , ,
, , and .
Substitute the values of in above ratios.
, , ,
, , and .
(b)
The point is .
The above coordinate pair is in second quadrant.
Angle is in second quadrant.
Graph :
From Pythagorean theorem,
.
Six trigonometric functions are,
, , ,
, , .
Substitute the values of in above ratios.
, , ,
, , and .
(a) The six trigonometric functions are , , , , , and .
(b) The six trigonometric functions are , , , , , and .
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