Find the value of sinx 1-cosx at x-4

sinx1+cosx at x=π4 =sinπ41+cosπ4 #160; =1√(2)1+1√(2) =1√(2)+1 ...

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Circular Measurement of Angle

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Question

Find the value of $\frac{sin x}{1 + cos x}$ at $x = \frac{π}{4}$

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0 < x < \frac{π}{4}

cos x + sin x = \frac{5}{4},

cos x - sin x .

y = \frac{sin x + cos x}{sin x - cos x}

\frac{d y}{d x}

x = \frac{π}{4}

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

x = π

f (π)

f (x)

x = π

lim x \to π / 4 \frac{sin x - cos x}{x - π}

x

sin (x - \frac{π}{4}) - cos (x - \frac{π}{4}) = 1

\frac{2 cos 7 x}{cos 3 + sin 3} > 2^{cos 2 x}

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