sin45°+cos45°-tan45°

sin 45° = 1/2 √2
cos 45° = 1/2 √2
tan 45° = 1

sin45°+cos45°-tan45°
= 1/2 √2 + 1/2 √2 - 1
= √2 - 1

Sin 45° + Cos 45° - Tan 45°
=1/2 akar2 + 1/2 akar2 - 1
=2/2 akar 2 -1
=akar2 -1