sin 45 derajat + cos 135 derajat =

jawabannya√2
.
.
.
.
.

jika merasa sudah puas berterima kasihlah

sin 45° + cos 135°
= 1/2√2 + cos (180-45)
= 1/2√2 + (-cos(45))
= 1/2√2 - 1/2√2
= 0