Trig functions
sin =
O/H
cos =
A/H
a triangle with all equal sides is _________
equilateral
sec =
H/A
csc =
H/O
a 5-sided polygon
pentagon
tan =
O / A
cot =
A/O
a 4-sided figure with no angles greater than 180 degrees
quadrilateral
sin(30 degrees) =
1/2
cos(45 degrees) =
sqrt(2) / 2
7-sided polygon
heptagon
tan(45 degrees) =
1
cot(45 degrees) =
1
A) quadrilateral in which there are two pairs of parallel sides
B) name 11 and 12-sided polygons
A) parallelogram
B) 11 = hendecagon, 12 = dodecagon