Mathematics — popular questionsPage 6

Finding supplementary angles from a tangent equation

Proving a 3x3 matrix is non-singular for all values

Identifying symmetry and extrema in polar graphs

Combining a rational function with a logarithm expression

Analyzing the rational expression 38 over 25 minus x squared

Showing a parallelogram is a rhombus using perpendicular diagonals

Proving Pythagoras theorem with perpendicular vectors

Repeated adjugate determinant modulo seven

Domain of arccos and logarithm reciprocal expression

Domain of an inverse sine rational expression

Domain of inverse sine and logarithm composition

Finding domain of inverse sine with floor and logarithm

Determining the domain of an inverse sine rational expression

Finding absolute extrema of arctangent on a trigonometric interval

Finding the domain of a nested inverse trigonometric composition

Finding the range of a mixed inverse trigonometric function

Angle in degrees between the hands of a watch; congruence of triangles

$x^{x^7}=5^{(25)^{0.2}}$

14. Si $r=\frac{\sen5\beta+\sen3\beta}{\cos3\beta-\cos5\beta}$

21. 7 \cdot \log_4 u - 3 \cdot \log_4 v^2