Question

If x=3 sin2

, y=3cos2 +1, then find x+y.​

Answer 1

Answer:

4

Step-by-step explanation:

x=3 sin²Φ

y=3 cos²Φ+1

so, x+y=3 sin²Φ+3 cos²Φ+1

x+y=3(sin²Φ+cos²Φ)+1

we know that sin²Φ+cos²Φ=1

x+y=3(1)+1

x+y=4

Answer 2

Answer:

4

hope it will be helpful for you