What is the integral of (cos(y)cos(z)) ?

The integral of (cos(y)cos(z)) is cos(z)sin(y)+C

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integral of (cos(y)cos(z))

\int (cos (y) cos (z)) d y

cos (z) sin (y) + C

Solution steps

\int cos (y) cos (z) d y

Take the constant out:

\int a \cdot f (x) d x = a \cdot \int f (x) d x

= cos (z) \cdot \int cos (y) d y

Use the common integral:

\int cos (y) d y = sin (y)

= cos (z) sin (y)

Add a constant to the solution

= cos (z) sin (y) + C

What is the integral of (cos(y)cos(z)) ?
The integral of (cos(y)cos(z)) is cos(z)sin(y)+C