Q1 Find xy exact coordinates lying at angle 7pi6 of radius o

Q1)

Find (x,y) exact coordinates lying at angle 7pi/6 of radius of 4 center origin

Q2)

Convert 19 rad to degree

Q1)

Find (x,y) exact coordinates lying at angle 7pi/6 of radius of 4 center origin

Q2)

Convert 19 rad to degree

Find (x,y) exact coordinates lying at angle 7pi/6 of radius of 4 center origin

Q2)

Convert 19 rad to degree

Q1)

x=rcos ,y =rsin

r =4 , =7pi/6

x=4cos(7pi/6) ,y=4sin(7pi/6)

x=4(-3 /2),y=4(-1/2)

x =-23 , y=-2

(x,y)=(-23 ,-2)

Q2)

19rad

=19(180^o/)

=1088.62^o