Math, asked by ciaralindsay04, 3 months ago

Which expression is equivalent to 2cos²(x/2) - cos(x)?
0
1
1-2cos(x)
1 + 2 cos(x)

Answers

Answered by thinker1195

5

Step-by-step explanation:

1 + 2 cos(x)

.........................

Answered by chanhpomxe

0

Answer:

1

Step-by-step explanation:

plug it in

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