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ПросветленныйУм
@ПросветленныйУм
August 2021
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Даю 30 баллов! Срочно!!!
Упростите выражение:
-4sin^2a+5-4cos^2a
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skyne8
Verified answer
= -4(sin^2a+cos^2a) + 5 = -4*1 + 5 = 1
1 votes
Thanks 1
amberheart
-4sin²a + 5 - 4cos²a = -4(sin²a+cos²a) + 5 = -4 + 5 = 1
0 votes
Thanks 0
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Answers & Comments
Verified answer
= -4(sin^2a+cos^2a) + 5 = -4*1 + 5 = 1