Question

sin x + sin²x=1, cos²x + cos⁴x=?​

Answer 1

Step-by-step explanation:

Given sinX + sin²X = 1

as sin²X + cos²X = 1

therefore sinX + sin²X = sin²X + cos²X

so sinX = cos²X

and sin²X = cos⁴X

therefore sinX + sin²X = cos²X + cos⁴X

hence cos²X + cos⁴X = 1 . thank you

Answer 2

Step-by-step explanation:

there fore the answer is 1