Question

Find the maximum angle $X$ in the range $0^\circ \leq x < 360^\circ$ which satisfies the equation $\cos^2(2x)+\sqrt{3}\sin(2x)-\frac{7}{4}=0$

score 134 · Answer 1 · 2026-04-16 05:37:23

Find the maximum angle $X$ in the range $0^\circ \leq x < 360^\circ$ which satisfies the equation $\cos^2(2x)+\sqrt{3}\sin(2x)-\frac{7}{4}=0$

score 40 · Answer 2 · 2026-04-15 00:28:46

40

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List Question

Find the maximum angle $X$ in the range $0^\circ \leq x < 360^\circ$ which satisfies the equation $\cos^2(2x)+\sqrt{3}\sin(2x)-\frac{7}{4}=0$

Why $\frac{W}{2P}$ and not $\frac{2P}{W}$?

Small problem in attempt to find $3$ Pythagorean triples to make a right angle.

Raytracing Problem: Solving the length of the opposite side of the right triangle where the adjacent side stops

What is distance of ship from coastline(AB) if it is 167° and 205° from A and B respectively?

Squeeze Theorem to evaluate the limit of $\arctan(x)$ as $x$ approaches $0$.

Providing a figure for given problem

Trigonometry - When do I know that SINE of an Angle became Cosine

find point of intersection of two triangles with two parallel sides

Formal demonstration of $\left|\thinspace\sin{\frac{1}{x}}\right|\leq 1;\thinspace x≠0$

Solving $y'' + 2y' + 2y = 0$: How to eliminate imaginary unit from solution?

Example of a function that's not periodic but its derivative is periodic?

Orthogonal Projections onto lines

Prove that barycentric coordinates is the ratio of subtriangles to the whole triangle.

Find the expression of an angle within an equation that contain sin(angle) and cos(angle)

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