1
.
sen²
x
+
cos²
x
=
____________________
2
.
____________________
x
=
1
+
tan²
x
3
.
1
-
sen²
x
=
____________________
x
4
.
csc²
x
-
1
=
____________________
x
5
,
sec²
x
-
tan²
x
=
____________________
6
.
1
-
cos²
x
=
____________________
x
7
.
csc²
x
-
cot²
x
=
____________________
8
.
sec²
x
-
1
=
____________________
x
9
.
____________________
x
=
cot²
x
+
1
10
.
1
/
cos
x
=
____________________
x
11
.
1
/
sen
x
=
____________________
x
