Math, asked by prem4058, 9 months ago


If sin A + Sin² A =1, then Cos² A + Cos⁴A=?​

Answers

Answered by GamiGargi
3

Step-by-step explanation:

As we know cos²A+sin²A=1

⇒cos²A=1-sin²A---------(1)

according to the problem,

sinA+sin²A=1

⇒sinA=1-sin²A--------(2)

therefore: sinA = cos²A

cos²A+cos⁴A = sinA+sin²A = 1

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Answered by actajay
2

Answer:

cos^2A+cos^4A=1

Step-by-step explanation:

view pic.

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