To find the value of sin(3π + a), we can use the periodicity of the sine function.
sin(3π + a) = sin(π + 2π + a) = sin(π + a) = -sin(a)
Therefore, the value of sin(3π + a) is equal to -sin(a).
To find the value of sin(3π + a), we can use the periodicity of the sine function.
sin(3π + a) = sin(π + 2π + a) = sin(π + a) = -sin(a)
Therefore, the value of sin(3π + a) is equal to -sin(a).