Mathematics
25:00
Course
9-10
Mode
hard
Answered
0/25
Local
0
Curated
25
easy 0
medium 0
hard 25
Question 1 of 25
hard
If sin θ + sin² θ = 1, then the value of cos² θ + cos⁴ θ is:
A
0
B
1
C
2
D
1/2