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GUJCET 2020 Math Solved Paper
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© examsnet.com
Question : 13
Total: 40
tan
2
(
sec
−
1
3
)
+
cosec
2
(
cot
−
1
2
)
+
cos
2
(
cos
−
1
2
3
+
sin
−
1
2
3
)
=
––––––––.
15
16
14
13
Validate
Solution:
tan
2
(
sec
−
1
3
)
+
cosec
2
(
cot
−
1
2
)
+
cos
2
(
cos
−
1
2
3
+
sin
−
1
2
3
)
=
tan
2
(
tan
−
1
(
2
√
2
)
)
+
cosec
2
(
cosec
−
1
√
5
)
+
cos
2
(
π
2
)
=
8
+
5
=
13
© examsnet.com
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