Advertisements
Advertisements
Question
Evaluate: 5 cosec2 45° – 3 sin2 90° + 5 cos 0°.
Sum
Advertisements
Solution
5 cosec2 45° – 3 sin2 90° + 5 cos 0°
= `5(sqrt(2))^2 - 3(1)^2 + 5(1)`
= 10 – 3 + 5
= 12.
shaalaa.com
Is there an error in this question or solution?
