Select the best answer.
cos(180° + θ) =
• sinθ
• cosθ
• -cosθ
• -si...
Mathematics, 02.12.2021 04:50 128585
Select the best answer.
cos(180° + θ) =
• sinθ
• cosθ
• -cosθ
• -sinθ
It is NOT cosθ.
Answers: 1
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