Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Evaluate the expression
sin
(
−
7
π
4
)
×
csc
(
17
π
4
)
.
\sin\!\left(-\dfrac{7\pi}{4}\right)\times\csc\!\left(\dfrac{17\pi}{4}\right).
sin
(
−
4
7
π
)
×
csc
(
4
17
π
)
.
Browse the problem library