Question

Find the value of sin 135°​

Answer 1

Step-by-step explanation:

sin(135)

= sin (90 + 45)

sin(a + b) = sin(a)cos(b) + cos(a)sin(b)

= sin(90)cos(45) + cos(90)sin(45)

= ( 1 x 1/√2) + (0 x 1/√2)

= 1/√2

HOPE IT WILL HELP

Answer 2

Step-by-step explanation:

θ° θradians sin(θ)

135° 3π/4 √2/2

150° 5π/6 1/2

180° π 0

210° 7π/6 -1/2