Sin, Cos, Tan Question Preview (ID: 61421)


Mnemonics. TEACHERS: click here for quick copy question ID numbers.

In triangle ABC, side a is opposite ___
a) angle A
b) angle B
c) angle C
d) the largest angle

In triangle ABC, side b is opposite ____
a) angle A
b) angle B
c) angle C
d) the right angle

The hypotenuse of a triangle is _____
a) at the bottom
b) opposite the right angle
c) opposite the smallest angle
d) never the longest side

tan =
a) adjacent/hypotenuse
b) adjacent/opposite
c) opposite/adjacent
d) 1/hypotenuse

trig functions are used with __________ triangles
a) no
b) all
c) acute
d) right

cos =
a) opposite/hypotenuse
b) adjacent/hypotenuse
c) opposite/adjacent
d) hypotenuse/1

sin =
a) adjacent/opposite
b) opposite/hypotenuse
c) opposite/adjacent
d) adjacent/hypotenuse

The mnemonic for remembering the trig functions is ___
a) sockittoya
b) sohcahtoa
c) krakatoa
d) sacagawea

In triangle ABC, side C is opposite ____
a) angle A
b) angle B
c) angle C
d) the hypotenuse

Which trig function is incorrect?
a) sin = o/a
b) cos = a/h
c) tan = o/a
d) none of the above

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