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Prove that:
tan
θ
1
−
cot
θ
+
cot
θ
1
−
tan
θ
=
1
+
sec
θ
csc
θ
Trigonometry (10)
Prove that:
tan
θ
1
−
cot
θ
+
cot
θ
1
−
tan
θ
=
1
+
sec
θ
csc
θ
Answer
Exam Year:
2019
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Prove that:
f
r
a
c
t
a
n
t
h
e
t
a
1
−
c
o
t
t
h
e
t
a
+
f
r
a
c
c
o
t
t
h
e
t
a
1
−
t
a
n
t
h
e
t
a
=
1
+
s
e
c
t
h
e
t
a
c
s
c
t
h
e
t
a
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