Q2. Given that sin α = 1/2 and cos β = 1/2, then the value of (α + β) is
Question
(a) 0°
(b) 30°
(c) 60°
(d) 90°
in progress
0
Class 10 Maths
3 years
2021-12-23T10:37:34+00:00
2021-12-23T10:37:34+00:00 1 Answer
5 views
Enlightened 0
Answer ( 1 )
Answer: d
sinα=1/2
∵sin300=1/2
∴α=300
Cosβ=1/2
∵cos600=1/2
∴β=600
Hence, α+β=300+600
α+β=900