Question

if X=2sin²Ø and Y=2cos²Ø+1 , then find x+y​

Answer 1

Answer:

3

Step-by-step explanation:

x= 2sin²∅

y = 2cos²∅ + 1

x+y

= 2sin²∅ + 2cos²∅ + 1

= 2(sin²∅ + cos²∅) +1

= 2 ( 1 ) + 1                   (∵ sin²∅ + cos²∅  = 1)

= 2+1

= 3