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I
f
4
tan
θ
=
3
,
e
v
a
l
u
a
t
e
4
sin
θ
−
cos
θ
+
1
4
sin
θ
+
cos
θ
−
1
Trigonometry (10)
I
f
4
tan
θ
=
3
,
e
v
a
l
u
a
t
e
4
sin
θ
−
cos
θ
+
1
4
sin
θ
+
cos
θ
−
1
Answer
Exam Year:
2018
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I
f
4
t
a
n
t
h
e
t
a
=
3
,
e
v
a
l
u
a
t
e
f
r
a
c
4
s
i
n
t
h
e
t
a
−
c
o
s
t
h
e
t
a
+
1
4
s
i
n
t
h
e
t
a
+
c
o
s
t
h
e
t
a
−
1
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