What is simplify-cos(4(pi/2)+x) ?

The solution to simplify-cos(4(pi/2)+x) is -cos(x)

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simplify-cos(4(pi/2)+x)

simplify

- cos (4 (\frac{π}{2}) + x)

- cos (x)

Solution steps

- cos (4 (\frac{π}{2}) + x)

Rewrite using trig identities

= - cos (x)

sin^{2} (2 π x) + cos^{2} (2 π x)

\frac{2 d x}{sin ( x cos ( x ) )}

f (x) = 3 + cot (3) + cos (x) sec (3)

tan (arccos (\frac{x}{19}))

tan (arccos (\frac{x}{20}))

What is simplify-cos(4(pi/2)+x) ?
The solution to simplify-cos(4(pi/2)+x) is -cos(x)