Question

If x = 2 sin? 0 and y = 2 cos2 0 + 1, then find x + y.​

Answer 1

Answer:

3

Step-by-step explanation:

Given, x=2sin2θ,y=2cos2θ+1

To find: (x+y)

x+y=2sin2θ+2cos2θ+1

=2(sin2θ+cos2θ)+1 .....(As sin2θ+cos2θ=1)

=2+1

=3