Is cot(x)=(sin(2x))/(1-cos(x^2)) ?

The answer to whether cot(x)=(sin(2x))/(1-cos(x^2)) is False

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

prove cot(x)=(sin(2x))/(1-cos(x^2))

prove

cot (x) = \frac{sin ( 2 x )}{1 - cos ( x ^{2} )}

False

Solution steps

cot (x) = \frac{sin ( 2 x )}{1 - cos ( x ^{2} )}

Show that the two sides are not equal

\Rightarrow False

cos (2 x) = cos (x) cos (x) - sin (x) sin (x)

(\frac{8}{6})^{2} + 1 = (\frac{10}{6})^{2}

sec^{4} (θ) - tan^{4} (θ) = 2 tan^{2} (θ) + 1

tan^{2} (x) (1 + cot^{2} (x)) = sec^{2} (x)

\frac{1 - sin ( x )}{cos ( x )} = 1 - tan (x)

Is cot(x)=(sin(2x))/(1-cos(x^2)) ?
The answer to whether cot(x)=(sin(2x))/(1-cos(x^2)) is False