Math, asked by sreeparvathy06, 3 months ago

If cos A + cos²A =1, then find the value of sin²A +sin⁴A

Answers

Answered by deepak19082002

0

Answer:

1 will be the answer of this

Answered by dolemagar

3

Step-by-step explanation:

cos A+cos²A=1

cosA= 1-cos²A (1-cos²A=sin²A)

cosA= sin²A

and now

sin²A+sin⁴A

= cosA + (cosA)²

= cosA+cos²A

= 1

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