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Test Index
NDA Math Trigonometric Ratios of Angles and Equations Part 2
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© examsnet.com
Question : 43
Total: 75
If
tan
θ
=
cos
17
°
−
sin
17
°
cos
17
°
+
sin
17
°
,
then what is the value of
θ
?
[NDA-I 2020]
0
°
28
°
38
°
52
°
Validate
Solution:
👈: Video Solution
tan
θ
=
cos
17
°
−
sin
17
°
cos
17
°
+
sin
17
°
=
1
−
sin
17
°
cos
17
°
1
+
sin
17
°
cos
17
°
=
1
−
tan
17
°
1
+
tan
17
°
tan
θ
=
tan
45
°
−
tan
17
°
1
+
tan
45
°
tan
17
tan
θ
=
tan
(
45
°
−
17
°
)
tan
θ
=
tan
(
28
°
)
⇒
θ
=
28
°
© examsnet.com
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