SOLUTION: how do I determine the exact value of sin^2(-5π/6)?
Algebra.Com
Question 804971: how do I determine the exact value of sin^2(-5π/6)?
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
determine the exact value of sin^2(-5π/6)
***
(-5π/6) is in quadrant III where sin<0
reference angle = π/6
sin^2(-5π/6)=sin^2(π/6)=(-1/2)^2=1/4
RELATED QUESTIONS
determine the exact value of each trig ratio;
a) sin 2π/3
b)cos 7π/6
c)sin... (answered by solver91311,ewatrrr)
How do I solve this? Use the exact values of the sine and cosine of 2π/3 and π... (answered by KMST)
Is this right? please check exact value of tan(5π/3)sec(-5π/6) and other?... (answered by Alan3354)
Find the exact value of sin(-π/6).
Thank... (answered by josmiceli)
Find the exact value:
i. tan (5π/3) sec (-5π/6) =
ii. sin (27π/4)... (answered by lwsshak3)
sin(x) = 8/17 and π/2 (answered by Alan3354)
Use a half-angle formula to determine the value of the trigonometric functions. Answers... (answered by lwsshak3)
Determine the exact value of the expression without using a calculator:
sin(π/12) (answered by greenestamps)
How would I go about solving this.
Suppose csct = 4 and tan > 0. FInd the exact value... (answered by stanbon)