If cos x-sin x-2 cos x- then tan2x-2 tan x is equal to

The correct option is B 1 Given #160; cos x+sin x=√(2) cos x (cos x+sin x)^2=2 cos^2 x cos^2x+sin^2x+2sinxcosx=2cos^2x Divide cos^2x ...

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Trigonometric Identities

If cos x+si...

Question

If $c o s x + s i n x = \sqrt{2} c o s x$ , then $t a n^{2} x + 2 t a n x$ is equal to

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s i n x + s i n y = 2 s i n \frac{x + y}{2} c o s \frac{x - y}{2}

\frac{s i n x + s i n 3 x}{c o s x + c o s 3 x} = t a n 2 x

\frac{sin x + cos x}{sin x - cos x} + \frac{sin x - cos x}{sin x + cos x} = \frac{m {sec}^{2} x}{{tan}^{2} x - 1}

m

2 {cos}^{2} x - 2 \sqrt{2} cos x + {tan}^{2} x - 2 tan x + 2 = 0

x \in [- 4 π, 4 π]

∠ x = 30^{0}

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sin x + cos x = \frac{1}{5}

tan 2 x

(\frac{π}{2} < x < \frac{3 π}{4})

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