What is simplify-2cos(x+pi)-7 ?

The solution to simplify-2cos(x+pi)-7 is 2cos(x)-7

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simplify-2cos(x+pi)-7

simplify

- 2 cos (x + π) - 7

2 cos (x) - 7

Solution steps

- 2 cos (x + π) - 7

Rewrite using trig identities

= - 2 (- cos (x)) - 7

Apply rule

- (- a) = a

= 2 cos (x) - 7

sin (36 0^{\circ} - α)

tan (18 0^{\circ} - b)

25 - (5 \cdot sin (x))^{2}

cot (arctan (\frac{1}{1 + x}))

sin (arctan (- \frac{1}{m g}))

What is simplify-2cos(x+pi)-7 ?
The solution to simplify-2cos(x+pi)-7 is 2cos(x)-7