Respuesta :

sin(7π/4) = sin(315)
sin(7π/4) = -√(2)/2

cos(7π/4) = cos(315)
cos(7π/4) = √(2)/2

tan(7π/4) = tan(315)
tan(7π/4) = -1

Answer:

sin Θ = negative square root 2 over 2 ; cos Θ = square root 2 over 2 ; tan Θ = −1

Step-by-step explanation: