HELP....someone plz solve this proof for me......I'll give you 5stars and brainliest
1 answer:
Answer:
1+cos^2(2A)=(1−cos2(2A))+2cos^2(2A)
=sin^2(2A)+2(cos^2A−sin^2A)^2
=(2sinAcosA)^2+2(cos^4A−2cos^2Asin^2A+sin^4A)
=2(cos^4A+sin^4A)
Step-by-step explanation:
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B - 7,536 = 2t
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B = 2t + 7,536
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