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Problem
Problem
If
cos
4
θ
+
p
,
sin
4
θ
+
p
\cos^4 \theta + p, \sin^4 \theta + p
cos
4
θ
+
p
,
sin
4
θ
+
p
are the roots of the equation
x
2
+
a
x
+
1
=
0
x^2 + ax + 1 = 0
x
2
+
a
x
+
1
=
0
and
cos
2
θ
+
q
,
sin
2
θ
+
q
\cos^2 \theta + q, \sin^2 \theta + q
cos
2
θ
+
q
,
sin
2
θ
+
q
are the roots of the equation
x
2
+
4
x
+
2
=
0
x^2 + 4x + 2 = 0
x
2
+
4
x
+
2
=
0
then
a
a
a
is equal to a. -2 b. -1 c. 1 d. 2
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