Question

i want this answer
with explanation​

Answer 1

Answer: sorry can't see it properly

Step-by-step explanation: please send another pic

Answer 2

Answer:

cos²+cos⁴x=1

Step-by-step explanation:

sinx+sin²x=1

1−sin²=sinx

cos² x=sinx

Thus,

cos² x+cos⁴x = sinx+sin²x

cos² x+cos⁴x = sinx+sin²xcos²x+cos⁴x=1

hence proved

I hope that it will help this solution

thankQ