Question

sec²30-tan²60+sin30
Plz Solve this​

Answer 1

Answer:

Step-by-step explanation:

sec30° = 2/√3

tan60° = √3

sin 30° = 1/2

substituting the values:

(2/√3)² - (√3)² + 1/2

4/3 - 3 + 1/2

4/3 - 9/3 + 1/2

-5/3 + 1/2

taking lcm as 6 we get

-10/6 + 3/6

= -7/6