Question

sin 30° -Cos 60° + Cosec 45° + tan 30°​

Answer 1

sin 30°=1/2

cos60°=1/2

cosec45°=√2

tan30°=1/√3

=1/2-1/2+√2+1/√3

=√2+1/√3

=√2/√3 =2/3