sin 270 derajat.cos 135 derajat•tan135 derajat sin150 derajat•cos 255derajat

sin 270 . cos 135 . tan 135 . sin 150 . cos 225
= -1 . -1/2V2 . -1 . 1/2 . -1/2V2
= 1/4

Sin 270 => Cos 90 = (-1)
Cos 135 => Sin 45 = (-1/2√2)
Tan 135 => Cot 45 = (-1)
Sin 150 => Cos 60 = 1/2
Cos 225 => Sin 45 = (-1/2√2)

Sin 270 x Cos 135 x Tan 315 x Sin 150 x Cos 225 =
(-1) x (-1/2√2) x (-1) x 1/2 x (-1/2√2)
= 0,25 => 1/4

#SmgaMmbntu :)