Sin⁴∅-Cos⁴∅ Whats the answer to this
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Answer:
Search it on google or do on calculater
Answered by
1
Answer:
sin²∅-cos²∅= -cos2∅
Step-by-step explanation:
Sin⁴∅-Cos⁴∅
=(sin²∅+cos²∅)(sin²∅-cos²∅)
=1x(sin²∅-cos²∅)
=sin²∅-cos²∅
= -cos2∅
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