R can perform the usual mathematical operations, below are the functions:

Arithmetic

**+** – addition
**–** – subtraction
***** – multiplication
**/** – division

Trigonometry

**sin** – sine
**cos** – cosine
**tan** – tangent
**asin** – sine inverse
**acos** – cosine inverse
**atan** – tangent inverse

Linear Algebra

**+** – element-wise addition
**–** – element-wise subtraction
***** – element-wise multiplication
**/** – element-wise division
**%*%** – matrix multiplication
**t** – transpose
**eigen** – eigenvalues and eigenvectors
**solve** – inverse of matrix
**ginv** – generalized inverse, requires MASS package
**rbind** – combines vectors of observations horizontally into matrix class
**cbind** – combines vectors of observations vertically into matrix class

Reference:

- Kabacoff, R. I.
*Matrix Algebra*. Quick-R. Retrieved April 20, 2013 here.
- Trigonometric Functions.
*R Documentation. *R.2.15.1

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