1Sine of 7π/6
Find the exact value of sin(7π/6).
sin(7π/6) = −1/2. The angle 7π/6 is π/6 past π, landing in the third quadrant where sine is negative, and its reference angle π/6 gives sine value 1/2, so the result is −1/2.
Find the exact value of sin(7π/6).
sin(7π/6) = −1/2. The angle 7π/6 is π/6 past π, landing in the third quadrant where sine is negative, and its reference angle π/6 gives sine value 1/2, so the result is −1/2.