Trigonometry: Trigonometric Functions
Problems
Problem : Why do the following pairs of functions always have the same sign: sine and cosecant, cosine and secant, tangent and cotangent?
Problem : In which quadrant do the most trigonometric functions have negative signs?
Problem :
Which value in the following group is not equal to the others:
sin(
)
,
cos(Π)
,
cot(
)
,
sec(0)
?
Problem :
Which value in the following group has a different sign from the others:
sin(
)
,
sec(
)
,
cot(
)
,
cos(
)
?




