Math, asked by rdas45669, 10 months ago

how to solve this problem?​

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Answered by Sreesha
1

Answer:

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#answerwithquality #bal

Step-by-step explanation:

sinФ = 1 - sin²Ф

        = cos²Ф

cos²Ф + cos⁴Ф = cos²Ф + (cos²Ф)²

                         = sinФ + sin²Ф

                         = 1

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