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Popular >

cos((7pi)/(15))

Solution

cos (\frac{7 π}{15})

Solution

0.10452 \dots

Solution steps

cos (\frac{7 π}{15})

Refine to a decimal form

= 0.10452 \dots

Popular Examples

cos((11pi}{12})cos((3pi)/4)+sin((11pi)/(12))sin(\frac{3pi)/4)

cos (\frac{11 π}{12}) cos (\frac{3 π}{4}) + sin (\frac{11 π}{12}) sin (\frac{3 π}{4})

9sin(pi/2)+9cos(pi/2)

9 sin (\frac{π}{2}) + 9 cos (\frac{π}{2})

50 \cdot cos (4 0^{\circ})

arcsin (0.375)

cos((4pi)/9)cos(pi/9)+sin((4pi)/9)sin(pi/9)

cos (\frac{4 π}{9}) cos (\frac{π}{9}) + sin (\frac{4 π}{9}) sin (\frac{π}{9})

Frequently Asked Questions (FAQ)

What is the value of cos((7pi)/(15)) ?
The value of cos((7pi)/(15)) is 0.10452…