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Popular >

50*cos(45)

Solution

50 \cdot cos (4 5^{\circ})

Solution

252

+1

Solution steps

50 cos (4 5^{\circ})

Use the following trivial identity:

cos (4 5^{\circ}) = \frac{2}{2}

= 50 \cdot \frac{2}{2}

Simplify

50 \cdot \frac{2}{2} : 252

= 252

Popular Examples

sin(30)cos(45)+cos(30)sin(45)

sin (3 0^{\circ}) cos (4 5^{\circ}) + cos (3 0^{\circ}) sin (4 5^{\circ})

cos (13 4^{\circ})

- cos (0) - sin (0)

cos(arcsin(3/5)-arctan(5/12))

cos (arcsin (\frac{3}{5}) - arctan (\frac{5}{12}))

2(cos((3pi)/4)+isin((3pi)/4))

2 (cos (\frac{3 π}{4}) + i sin (\frac{3 π}{4}))

Frequently Asked Questions (FAQ)

What is the value of 50*cos(45) ?
The value of 50*cos(45) is 25sqrt(2)