Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
## EXERCISE 8.3 1. Express the trigonometric ratios
sin
A
,
sec
A
\sin \mathrm{A}, \sec \mathrm{A}
sin
A
,
sec
A
and
tan
A
\tan \mathrm{A}
tan
A
in terms of
cot
A
\cot \mathrm{A}
cot
A
.
Browse the problem library