Question

(D) sin45°-cosec 60+ sec 30​

Answer 1

Step-by-step explanation:

Sin45° - Cosec60° + Sec30°

1/√2 - 2/√3 + 2/√3

1/√2 = Sin45°

Answer 2

sin45 = 1/root(2)

csc60 = 2/root(3)

sec30 = 2/root(3)

sin 45 - csc 60 + sec 30 = sin 45

= 1/root(2)