SIN⁴theta - cos⁴theta = ?..
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Step-by-step explanation:
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Answered by
1
Answer:
1
Step-by-step explanation:
theta as a
(sin²a)²-(cos²a)²
(sin²a + cos²a)(sin²a-cos²a)
sin²a-cos²a
1-cos²a-cos²a
1-2 cos²a
is the answer please mark me as brainliest my friend
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