Math, asked by pawan338, 11 months ago

cos square 48 + cos square 42

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Answered by anu21931612

0

Answer:

plz mark as brainly.i hope u get ur answer

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Answered by ahmadamyra0

0

Answer:

cos²48+cos²42

= cos²48+ sin²48 (sinA=cos(90-A))

=1 (sin²A+cos²A=1)

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