10 questions linked to/from Mathematica Sec and Csc
317 views

### Transforming expressions in terms of Csc and Sec to expressions in terms of Sin and Cos [duplicate]

I am writing a code to compute some matrix quantities. The result involves Sec andCsc functions, and I want a form displayng ...
355 views

### Display trigonometry without Csc and Cot [duplicate]

I have a result with trigonometry functions using Cot and Csc. I would like to keep only cos, sin and tan and so prefer fractions in the display of the results. How is it possible to ask Mathematica ...
2k views

### Replacing Tan[x] with Sin[x]/Cos[x]

Why doesn't this work? (1 - Tan[x])/(Sin[x] - Cos[x]) /. Tan[x] -> Sin[x]/Cos[x] I get back: ...
4k views

### How to simplify 1 - Cos[2x] to 2 Sin[x]^2?

I want to reduce all Cos[2 x] to 1 - 2Sin[x]^2, it seems Mathematica will always simplify ...
2k views

### Is there a way to rewrite integrals in Mathematica using u substitution?

In Mathematica, can I give it an integral and a few substitution rules and have it rewrite the integral in terms of those variables?
166 views

### Forcing Mathematica to Output $1/\sqrt2$ as $\sqrt2/2$

I am trying to force Mathematica to output $\frac{1}{\sqrt2}$ as $\frac{\sqrt2}{2}$. I tried: {1, Sqrt[2]}*Sqrt[2] Which outputs: ...
698 views

### Display Log with desired notation in output

I wish to display logarithms with different bases in the single-term rather than numerator/denominator form during output: ...
317 views

### How do I prevent exponents from being expanded when displaying text

I have a power of 2 in a list, and I want it to show as $2^{31}$ (2 with exponent 31), not 2147483648. I've tried this: ...