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What is cos70cos20-sin70sin20?

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Anonymous

∙ 15y ago
Updated: 8/15/2024

Cos70Cos20 - Sin70Sin20 =

The Trig Identity.

Cos( 70 + 20) =

Cos(90) = 0

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lenpollock ∙

Lvl 17
∙ 11mo ago
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