Question

If sin² x + sin x=1, then find the value of cos⁴x + cos² x​

Answer 1

Answer:

please marka as brainlist

Step-by-step explanation:

sinx+sin²x=1

so,

sinx=1-sin²x

sinx=cos²x

now,

cos²x+cos⁴x=cos²x+(cos²x)²=sinx+sin²x=1

Answer 2

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