If tan B =3/4 then
3 sin 2B + 4 cos 2B =?
Answers
Answered by
1
Step-by-step explanation:
G.E.=3(
1+tan
2
B
2tanB
)+4(
1+tan
2
B
1−tan
2
B
)=
1+(9/16)
6(3/4)
[
1+(9/16)
1−(9/16)
]=
15
72
+
25
28
=4
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