Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
△
P
Q
R
\triangle PQR
△
P
QR
is right angled at
Q
Q
Q
with
P
Q
=
9
cm
PQ = 9\,\text{cm}
P
Q
=
9
cm
,
Q
R
=
12
cm
QR = 12\,\text{cm}
QR
=
12
cm
and
P
R
=
15
cm
PR = 15\,\text{cm}
P
R
=
15
cm
. For angle
P
P
P
, the fraction
12
15
\dfrac{12}{15}
15
12
corresponds to which basic trigonometric ratio? a)
csc
P
\csc P
csc
P
b)
sin
P
\sin P
sin
P
c)
tan
P
\tan P
tan
P
d)
cos
P
\cos P
cos
P
Browse the problem library