Trigonometry Examples

$\frac{2 {(280)}^{2} \sin (70) \cos (70)}{9.8}$

Step 1

Simplify the numerator.

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Step 1.1

Raise $280$ to the power of $2$ .

$\frac{2 \cdot 78400 \sin (70) \cos (70)}{9.8}$

Step 1.2

Evaluate $\sin (70)$ .

$\frac{2 \cdot 78400 \cdot 0.93969262 \cos (70)}{9.8}$

Step 1.3

Evaluate $\cos (70)$ .

$\frac{2 \cdot 78400 \cdot 0.93969262 \cdot 0.34202014}{9.8}$

Step 1.4

Combine exponents.

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Step 1.4.1

Multiply $2$ by $78400$ .

$\frac{156800 \cdot 0.93969262 \cdot 0.34202014}{9.8}$

Step 1.4.2

Multiply $156800$ by $0.93969262$ .

$\frac{147343.80293923 \cdot 0.34202014}{9.8}$

Step 1.4.3

Multiply $147343.80293923$ by $0.34202014$ .

$\frac{50394.54859942}{9.8}$

Step 2

Divide $50394.54859942$ by $9.8$ .

$5142.30087749$