Cos 55° x Cos 55
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Answered by
0
Answer:
cos
(
−
100
)
=
cos
(
55
)
cos
x
+
sin
(
55
)
sin
x
cos
(
100
)
=
cos
(
55
−
x
)
cos
(
55
−
x
)
=
cos
(
100
)
cos
(
x
−
55
)
=
cos
(
100
)
x
−
55
=
2
n
π
±
100
x
=
55
+
2
n
π
±
100
Where,
n
is any integer i.e.
n
=
0
,
±
1
,
±
2
,
±
3
Answered by
0
Answer:
cos55° ×cos 55°=
Step-by-step explanation:
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