Sin 0+ cos 90+sin²45-tg²30=

Question

Sin 0+ cos 90+sin²45-tg²30=

Answer 1

Sin0=0
cos90=0
sin^2(45)=(√2/2)^2
tg^2(30)=(√3/3)^2

0+0+2/4+3/9=1/2+1/3=5/6