This one is super difficult, I see your struggle but the answer is A.
Answer:
sin⁴x - sin²x
sin²x(sin²x - 1)
(1 - cos²x)(1 - cos²x - 1)
(1 - cos²x)(-cos²x)
-cos²x + cos⁴x
cos⁴x - cos²x
Answer:
x=7
Step-by-step explanation:
4x-12=16
4x=28
x=7
Answer:
gonna need a bit better grammer here or i cant help
Step-by-step explanation:
i dont know