Question

If sin A + sin^2 A = 1, find the value of
cos^2 A+ cos^4 A.​

Answer 1

Answer:

1

Step-by-step explanation:

sinA=1-sin^2A

sinA=cos^2A

cos^2A+cos^4A=?

sinA+(cos^2A)^2=?

sinA+sin^2A=1