Byju's Answer
Standard X
Mathematics
Trigonometric Identities
If x≠ 0, th...
Question
If
x
≠
0
, then
1
+
sec
x
+
sec
2
x
+
sec
3
x
+
sec
4
x
+
sec
5
x
is equal to
Open in App
Solution
1
+
sec
x
.
.
.
+
sec
5
x
=
(
sec
6
x
−
1
sec
x
−
1
)
Suggest Corrections
0
Similar questions
Q.
If
x
+
1
x
=
5
, then
2
x
3
x
2
−
5
x
+
3
is equal to
Q.
If
∣
∣ ∣
∣
x
+
2
2
x
+
3
3
x
+
4
2
x
+
3
3
x
+
4
4
x
+
5
3
x
+
5
5
x
+
8
10
x
+
17
∣
∣ ∣
∣
=
0
then
x
is equal to
Q.
If
x
≠
0
,
∣
∣ ∣
∣
x
+
1
2
x
+
1
3
x
+
1
2
x
4
x
+
3
6
x
+
3
4
x
+
4
6
x
+
4
8
x
+
4
∣
∣ ∣
∣
=
0
, then
x
+
1
is equal to
Q.
Choose the correct answer.
If
a
,
b
,
c
, are in A.P., then the determinant
A. 0 B. 1 C.
x
D. 2
x
