What is the exact value of sin 1 + sin 3 + sin 5 ... sin 177 + sin179 (in degrees)?
5080
How can we sum up $\sin$ and $\cos$ series when the angles are in arithmetic progression?
154216
Solve $\sin(z) = z$ in complex numbers
125087
Evaluate the limit of ratio of sums of sines (without L'Hopital): $\lim_{x\to0} \frac{\sin x+\sin3x+\sin5x}{\sin2x+\sin4x+\sin6x}$
115743
In Triangle, $\sin\frac A2\!+\!\sin\frac B2\!+\!\sin\frac C2\!-\!1\!=\!4\sin\frac{\pi -A}4\sin\frac{\pi -B}4\sin\frac{\pi-C}4$
75487
How to express trigonometric equation in terms of of given trigonometric function?
50323
Find the general solution for this equation sin5θcos3θ = sin6θcos2θ.
125597
calculator's angle answer for trig ratios that can work in more than 1 quadrant on the unit circle
67988
Trigonometric curiosity
58483
Determining the general solution for the trigonometric equation $ 5\cos(x)-12\sin (x) = 13 $
23576
Calculating $1+\frac13+\frac{1\cdot3}{3\cdot6}+\frac{1\cdot3\cdot5}{3\cdot6\cdot9}+\frac{1\cdot3\cdot5\cdot7}{3\cdot6\cdot9\cdot12}+\dots? $
31575
Solving trigonometric equations of the form $a\sin x + b\cos x = c$
104410
Why do we omit the negative sign when finding basic angle when solving trigonometric equations?
88432
A problem on range of a trigonometric function: what is the range of $\frac{\sqrt{3}\sin x}{2+\cos x}$?
29424
Maximum value of $\sin A+\sin B+\sin C$?
60275
calculation of $\int\frac{1}{\sin^3 x+\cos^3 x}dx$ and $\int\frac{1}{\sin^5 x+\cos^5x}dx$
95633
Help with this trigonometry problem
44715
Exact value for $\cos 36°$