Question

sin²45°_ cosec²60°+ sec²30°​

Answer 1

Answer:

0.5

Step-by-step explanation:

0.5 - 4/3 + 4/3 = 0.5

Sin60° = (√3/2) = cos30°

Answer 2

Answer:

1/2

sin^2 45° - cosec^2 60° + sec^2 30°

Step-by-step explanation:

= (1/√2)^2 - (2/√3)^2 + (2/√3)^2

= 1/2 - 4/3 + 4/3

= 1/2 Answer