What is the value of arccos(((20)^2+(45)^2-(53)^2)/(2*20*45)) ?

The value of arccos(((20)^2+(45)^2-(53)^2)/(2*20*45)) is 1.78578…

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arccos(((20)^2+(45)^2-(53)^2)/(22045))

arccos (\frac{( 20 ) ^{2} + ( 45 ) ^{2} - ( 53 ) ^{2}}{2 \cdot 20 \cdot 45})

1.78578 \dots

Decimal Notation

102.32

Solution steps

arccos (\frac{( 20 ) ^{2} + ( 45 ) ^{2} - ( 53 ) ^{2}}{2 \cdot 20 \cdot 45})

Refine to a decimal form

= 1.78578 \dots

arctan (\frac{4}{- 3}) + π

arccos (0.272)

csc (arctan (- \frac{2}{3}))

cos (3 0^{\circ}) 50

2 cos (1 2^{\circ})

What is the value of arccos(((20)^2+(45)^2-(53)^2)/(2*20*45)) ?
The value of arccos(((20)^2+(45)^2-(53)^2)/(2*20*45)) is 1.78578…