how to solve this problem?
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Answer:
mark me the brainliest
#answerwithquality #bal
Step-by-step explanation:
sinФ = 1 - sin²Ф
= cos²Ф
cos²Ф + cos⁴Ф = cos²Ф + (cos²Ф)²
= sinФ + sin²Ф
= 1
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