Why is $\sin \theta$ just $\theta$ for a small $\theta$?
60793
Why is $\sin(d\Phi) = d\Phi$ where $d\Phi$ is very small?
67635
Why does $\epsilon_0=1$ in CGS units?
91521
Ambiguity of notation: $\sin(x)^2$
147886
Proof of the angle sum identity for $\sin$
27423
Why does $\lim_{x\to 0^+} x^{\sin x}=1$?
114414
Sum of $\sum_{k=1}^n\sin{k\theta}$
77002
$\int_{0}^{\frac{\pi}{2}}\frac{d\theta}{a + \sin^2(\theta)} = \frac{\pi}{2\sqrt{a(a+1)}}$, for $a > 0$
152019
Derivation of inverse sine, what is wrong with this reasoning?
104410
Why do we omit the negative sign when finding basic angle when solving trigonometric equations?
96805
Why is the Absolute Value of $3-π$ equal to $π - 3$
147684
Prove that $\sin \theta=\frac{3 \sin \alpha+\sin^3 \alpha}{1+3\sin^2 \alpha}$ using given condition
62522
Sine is algebraically less than cosine in given interval.
96367
Intuition of Addition Formula for Sine and Cosine
121311
Simple Harmonic Motion - What are the units for $\omega_0$?
2676
Finding $\frac {d(\tan \theta)}{d\theta}$
66793
Is there a fast technique to tell that the poles of $\frac{1}{\sin z}$ are simple?
54849
For what values of $\theta$ does $\sum_{1}^{\infty} \frac{e^{i n\theta}}{n}$ Converge?