Download the app

Questions  

If  α=sin132+sin113 and β=cos132+cos113, then

a
α>β
b
α=β
c
α<β
d
α+β=2π

detailed solution

Correct option is C

From given equations, it can be seen that α+β=πsince sin−1⁡x+cos−1⁡x=π2∀xAlso, α=π3+sin−1⁡13<π3+sin−1⁡12as sinθ is increasing in  [0,π2]∴ α<π3+π6=π2⇒β>π2>α⇒α<β

Talk to our academic expert!

+91

Are you a Sri Chaitanya student?


Similar Questions

If 1<x<0, then sin1x equals


phone icon
whats app icon