Trigonometry Minimum value using A.M. and G.M.
98745
To prove $(\sin\theta + \csc\theta)^2 + (\cos\theta +\sec\theta)^2 \ge 9$
26020
Nice expression for minimum of three variables?
135225
How to find the period of the sum of two trigonometric functions
148207
Express $\cos 6\theta $ in terms of $\cos \theta$
85463
Minimum value selection
61302
Find the least value of $ \sec^6 x +\csc^6 x + \sec^6 x\csc^6 x$
99328
Value of $\sin (2^\circ)\cdot \sin (4^\circ)\cdot \sin (6^\circ)\cdots \sin (90^\circ) $
110798
Problem using the AM-GM inequality
5642
Geometry with Trigonometry
24221
Complex numbers - minimum value proof
125171
Help with this trigonometry problem?
9539
$\alpha$ and $\beta$ are solution of $a \cdot \tan\theta + b \cdot \sec\theta = c$ show $ \tan(\alpha + \beta) = \frac{2ac}{a^2 - c^2}$
86894
Finding solution of a Trigonometric equation
136397
Minimum frequency of an electromagnetic wave
120444
Trigonometric Triangle Equality
137105
The minimum value of $x^8 – 8x^6 + 19x^4 – 12x^3 + 14x^2 – 8x + 9$ is
115513
Find the minimum of $\sqrt{(x+1)^2+(y-1)^2}+\sqrt{(x+2)^2+(y+2)^2}+\sqrt{(x-1)^2+(y+1)^2}$ For real $x,y$