Question

If sin θ + sin² θ = 1, then Cos² θ + Cos^4 θ =​

Answer 1

Answer:

please give me brainlist

Answer 2

Answer:

Cos² θ + Cos⁴ θ = 1

Step-by-step explanation:

• sin θ + sin² θ = 1
• sin θ = 1 - sin² θ
• sin θ = cos² θ

So,

• Cos² θ = sin θ & Cos⁴ θ = sin² θ

And there for,

• Cos² θ + Cos⁴ θ = 1

HOPE IT HELP'S YOU