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HellyHopta
@HellyHopta
July 2022
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Упростите выражение 5cos(7pi+a)+sin((11pi/2) - a)
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Санечка69
Verified answer
5cos(7
π + α
) + sin((11
π
/2) -
α
) = 5cos(
π + α) + sin(π/2 - α) = -5cosα + cosα = -4cosα
3 votes
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Verified answer
5cos(7π + α) + sin((11π/2) - α) = 5cos(π + α) + sin(π/2 - α) = -5cosα + cosα = -4cosα