Advertisements
Advertisements
Question
Evaluate: sin2 30° – cos2 45° + cot2 60°
Evaluate
Advertisements
Solution
Given,
sin2 30° – cos2 45° + cot2 60°
⇒ `(1/2)^2 - (1/sqrt(2))^2 + (1/sqrt(3))^2`
⇒ `1/4 - 1/2 + 1/3`
⇒ `(3 - 6 + 4)/12`
⇒ `1/12`
shaalaa.com
Is there an error in this question or solution?
