Advertisements
Advertisements
Question
Evaluate: `(5 "cosec"^2 30^circ - cos 90^circ)/(4 tan^2 60^circ)`
Sum
Advertisements
Solution
`(5 "cosec"^2 30^circ - cos 90^circ)/(4 tan^2 60^circ)`
= `(5(2)^2 - (0))/(4 xx (sqrt(3))^2`
= `20/(4 xx 3)`
= `5/3`
shaalaa.com
Is there an error in this question or solution?
