Question

.
If x = 2 Sin’O and y = 2 Cos'O +1, then find x + y.​

Answer 1

Step-by-step explanation:

Given, x=2sin

2

θ,y=2cos

2

θ+1

To find: (x+y)

x+y=2sin

2

θ+2cos

2

θ+1

=2(sin

2

θ+cos

2

θ)+1 .....(As sin

2

θ+cos

2

θ=1)

=2+1

=3