(1+sin-cos )^2 ÷( 1+sin+cos)^2
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Answered by
2
Answer:
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Step-by-step explanation:
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Answered by
1
Answer:
The answer is
=
1
+
sin
x
Step-by-step explanation:
We need
a
2
−
b
2
=
(
a
+
b
)
(
a
−
b
)
We use
cos
2
x
+
sin
2
x
=
1
cos
2
x
=
1
−
sin
2
x
=
(
1
+
sin
x
)
(
1
−
sin
x
)
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