Answer Happy
Accurate answers. Every time.
https://answerhappy.com/
Evaluate \(\begin{vmatrix}-sinθ&-1\\1&sinθ\end{vmatrix}\).
https://answerhappy.com/viewtopic.php?t=742641
Page
1
of
1
Evaluate \(\begin{vmatrix}-sinθ&-1\\1&sinθ\end{vmatrix}\).
Posted:
Wed Jul 13, 2022 8:07 pm
by
answerhappygod
a) cos2θ
b) -cos2θ
c) cos2θ
d) cosθ