What is the value of arccos((13^2+13^2+7^2)/(2(13)(13))) ?

The value of arccos((13^2+13^2+7^2)/(2(13)(13))) is No Solution for x\in\mathbb{R}

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arccos((13^2+13^2+7^2)/(2(13)(13)))

arccos (\frac{1 3 ^{2} + 1 3 ^{2} + 7 ^{2}}{2 ( 13 ) ( 13 )})

No Solution for x \in R

Solution steps

arccos (\frac{1 3 ^{2} + 1 3 ^{2} + 7 ^{2}}{2 ( 13 ) ( 13 )})

arccos (\frac{1 3 ^{2} + 1 3 ^{2} + 7 ^{2}}{2 \cdot 13 \cdot 13})

Simplify

arccos (\frac{387}{338})

Real domain for

arccos (x)

- 1 \leq x \leq 1

No Solution for x \in R

sin (\frac{π}{3}) + 1

arcsin (0.7118)

5 cos (- \frac{2 π}{3})

2 cos (2 π) cos (\frac{2 π}{3})

2 (- 3 e^{0} cos (0) - 4 e^{0} sin (0))

What is the value of arccos((13^2+13^2+7^2)/(2(13)(13))) ?
The value of arccos((13^2+13^2+7^2)/(2(13)(13))) is No Solution for x\in\mathbb{R}