Trigonometry and algebra question
95979
Trigonometry and algebra question
68881
Solve for $\theta$: $a = b\tan\theta - \frac{c}{\cos\theta}$
59791
Determine the exact value of equations involving more two trig variables
128661
Geometry question on right triangle
94283
Different ways finding the derivative of $\sin$ and $\cos$.
135543
Proof of Angles going beyond 90 degrees in Trigonometry
17168
Find the value of $\sin\frac{2\pi}{7}+\sin\frac{4\pi}{7}+\sin\frac{8\pi}{7}$
103701
Fundamental Theorem of Trigonometry
6634
Evaluate trigonometric function
152169
How would we solve this trigonometric equation using vectors?
81102
Cosine of the sum of two solutions of trigonometric equation $a\cos \theta + b\sin \theta = c$
77810
Solving Trigonometric Derivatives
29370
Trig integral $\int ( \cos{x} + \sin{x}\cos{x}) \, dx $
83359
Complex number identity by trigonometry
12841
Ratio of sines given, find ratio of cosines?
5642
Geometry with Trigonometry
33100
Trigonomnetric equality involving tg