2x- 2 - dx is equal to: - Vidyadip

MCQ

$\int\frac{\cos2\text{x}-\cos2\theta}{\cos\text{x}-\cos\theta}\text{dx}$ is equal to:

✓
$2(\sin\text{x}+\text{x}\cos\theta)+\text{c}$
B
$2(\sin\text{x}-\text{x}\cos\theta)+\text{c}$
C
$2(\sin\text{x}+2\text{x}\cos\theta)+\text{c}$
D
$2(\sin\text{x}-2\text{x}\cos\theta)+\text{c}$

✓

Answer

Correct option: A.

$2(\sin\text{x}+\text{x}\cos\theta)+\text{c}$

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