Question

(sin²30° – sec²60° + 4cot²45°) = ?

पर्याय

• 4

• 2

• 1

• `1/4`

Answer 1

`bb(1/4)`

Explanation:

Given expression = `{(1/2)^2 - 2^2 + 4 xx (1)^2}`

= `(1/4 - 4 + 4)`

= `1/4`