SOLUTION: Given sec(theta)=10 and 3pi/2 < or equal to theta < or equal to 2pi, find the exact numerical value of sin(theta).

Algebra ->  Trigonometry-basics -> SOLUTION: Given sec(theta)=10 and 3pi/2 < or equal to theta < or equal to 2pi, find the exact numerical value of sin(theta).       Log On


   



Question 820434: Given sec(theta)=10 and 3pi/2 < or equal to theta < or equal to 2pi, find the exact numerical value of sin(theta).

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Given sec(theta)=10 and 3pi/2 < or equal to theta < or equal to 2pi, find the exact numerical value of sin(theta)
***
theta is in quadrant IV where sin<0
sec(theta)=1/cos(theta)
cos(theta)=1/10
sin(theta)=-√(1-cos^2(theta))=-√(1-(1/10)^2)=-√(1-(1/100))=-√(99/100)=-√99/10=-9√11/10