Find the value of (1) Sin 35 Cos 30 - Cos 45 Sin 30 (II) Cos 60 Cos 45 + Sin 60 Sin 45
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Answer:Correct option is
C
4
7
(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
Step-by-step explanation:
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