Respuesta :
Explanation:
cos
2
+
tan
2
cos
2
x
=
cos
2
+
sin
2
x
cos
2
x
×
cos
2
x
=
cos
2
+
sin
2
x
cos
2
x
×
cos
2
x
=
cos
2
+
sin
2
x
=
1
I searched it hope it helps
cos
2
+
tan
2
cos
2
x
=
cos
2
+
sin
2
x
cos
2
x
×
cos
2
x
=
cos
2
+
sin
2
x
cos
2
x
×
cos
2
x
=
cos
2
+
sin
2
x
=
1
I searched it hope it helps