Answer:
(cos0
o
+sin45
+sin30
)(sin90
−cos45
+cos60
)
=(1+
2
1
+
)(1−
)(1+
−
=(
3
)(
−(
=
4
9
7
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Answers & Comments
Answer:
(cos0
o
+sin45
o
+sin30
o
)(sin90
o
−cos45
o
+cos60
o
)
=(1+
2
1
+
2
1
)(1−
2
1
+
2
1
)
=(1+
2
1
+
2
1
)(1+
2
1
−
2
1
)
=(
2
3
+
2
1
)(
2
3
−
2
1
)
=(
2
3
)
2
−(
2
1
)
2
=
4
9
−
2
1
=
4
7
Answer:
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