Question

sin^2 30 + 4 cot^2 45 - sec^2 60 = ? (a) 0 (b) 1/4 (c) 4 (d) 1

Answer 1

➡sin²30 + 4 cot²45 - sec²60

➡(1/2)² + 4(1)² - (2)²

➡1/4 + 4 - 4

➡1/4

Hence, option (b) 1/4 is the correct one.


HOPE IT HELPS YOU ☺☺

Answer 2

Answer:

1/4

Step-by-step explanation:

(1/2)²+(4/1)²-(2)²

1/4+4-4

1/4