Trigonometry Examples

${(340)}^{2} + {(460)}^{2} - 2 \cdot 340 \cdot 460 \cos (130)$

Simplify each term.

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Raise $340$ to the power of $2$ .

$115600 + {(460)}^{2} - 2 \cdot 340 \cdot (460 \cos (130))$

Raise $460$ to the power of $2$ .

$115600 + 211600 - 2 \cdot 340 \cdot (460 \cos (130))$

Multiply $- 2$ by $340$ .

$115600 + 211600 - 680 \cdot (460 \cos (130))$

Multiply $460$ by $- 680$ .

$115600 + 211600 - 312800 \cos (130)$

Add $115600$ and $211600$ .

$327200 - 312800 \cos (130)$

The result can be shown in multiple forms.

Exact Form:

$327200 - 312800 \cos (130)$

Decimal Form:

$528263.96430994 \dots$