cos A+ cos²A = 1 then, sin²A +sin⁴A= ____
Answers
Answered by
2
Answer:
Sin²A(1+sin²A).
Step-by-step explanation:
Mark me as brainliest answer
Answered by
0
Step-by-step explanation:
cosA+cos2A=1
cosA=1−cos2A
cosA=sin2A
Hence
sin4A+sin2A
cos2A+cosA=1
Hence True.
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