Worksheetspre-calc final
Total questions: 15
Worksheet time: 38mins
which one of these is NOT an identity?
sin (-θ)=-sinθ
cos(-θ)=cosθ
cot(-θ)=cotθ
sec(-θ)=secθ
solve for cos pi/12
use this formula cos x= sin (pi/2 -x)
sin 5pi/12
sin - 5pi/12
cos 5/12pi
csc 12/5pi
solve for sin 5pi/8
use this formula sin x = cos(pi/2-x)
cos (pi/8)
cos(-pi/8)
sin (8pi)
csc (8/pi)
cos (0+θ)
use cosine sum formula cos(x+y)=cos x cos y - sin x sin y
cos-θ
sinθ
cot2θ
cosθ
cos 140= cos 60 cos 80 - sin 60 sin 80
True or False??
false
true
sin (θ-pi/2)=cosθ true or false?
use cos x = sin (pi/2 - x)
false
true
cot (θ-10)= tan (2θ+20) solve for θ
sum of 2 angles θ and (90-θ) is 90 degrees
40 degrees
-36 degrees
42 degrees
find the cot of tan 87
cot 4
cos 14
cot 3
cot -7
cos (90-x)=
cos x - cos y
cos x cos y - sin x sin y
sin x
find sin s csc s = -8/5
5/8
1/ 8/5
-5/8
find 5 trigonometric functions of θ
cos θ= 1/5 θ is in quadrant 1
sin θ=2√6/5 tan θ= 2√6 csc θ= 5/ 2√6 secθ= 5 cot θ= 1/2√6
sin θ=2√6/5 tan θ= -2√6 csc θ= 4/ 2√6 secθ= -5 cot θ= 1/2√5
sin θ=2√6/5 tan θ= 2√6/2 csc θ= 5/√6 secθ= 1/5 cot θ= 1/2√6
-sin θ=2√6 tan θ= 2√6/5 csc θ= 5/ 2√6 secθ= 5 cscθ= 1/2√6
sin(x+π)
