![SOLVED:Use a formula for negatives to find the exact value. \text { (a) } \ cot \left(-\frac{3 \pi}{4}\right) \quad \text { (b) } \sec \left (-180^{\circ}\right) \quad \text { (c) } \csc \left(-\frac{3 \pi}{2}\right) SOLVED:Use a formula for negatives to find the exact value. \text { (a) } \ cot \left(-\frac{3 \pi}{4}\right) \quad \text { (b) } \sec \left (-180^{\circ}\right) \quad \text { (c) } \csc \left(-\frac{3 \pi}{2}\right)](https://cdn.numerade.com/previews/69f79c93-1e40-45a8-8fc4-111d16fcf9d2.gif)
SOLVED:Use a formula for negatives to find the exact value. \text { (a) } \ cot \left(-\frac{3 \pi}{4}\right) \quad \text { (b) } \sec \left (-180^{\circ}\right) \quad \text { (c) } \csc \left(-\frac{3 \pi}{2}\right)
If sin(B+C-A) = cos(C+A-B) = tan(A+B-C) = 1, then what is the value of A B C which are positive acute angles? - Quora
![How to prove that [math]2\sin\left(\frac{5\pi}{12}\right)\sin\left(\frac{\pi }{12}\right)=\frac{1}{2}[/math] - Quora How to prove that [math]2\sin\left(\frac{5\pi}{12}\right)\sin\left(\frac{\pi }{12}\right)=\frac{1}{2}[/math] - Quora](https://qph.cf2.quoracdn.net/main-qimg-0816adfe5a34beedf46e60fe8077204e.webp)
How to prove that [math]2\sin\left(\frac{5\pi}{12}\right)\sin\left(\frac{\pi }{12}\right)=\frac{1}{2}[/math] - Quora
![SOLVED:In Exercises 3-12 , use a graphing utility to approximate the solutions of the equation in the interval [0,2 \pi) . If possible, find the exact solutions algebraically. \tan 2 x-\cot x=0 SOLVED:In Exercises 3-12 , use a graphing utility to approximate the solutions of the equation in the interval [0,2 \pi) . If possible, find the exact solutions algebraically. \tan 2 x-\cot x=0](https://cdn.numerade.com/previews/ef503724-50ec-49a3-916e-ba366d479ee7.gif)