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Byju's Answer
Standard XII
Physics
Introduction
Evaluate: Q....
Question
Evaluate:
Q. Evaluate:
8
3
cos
e
c
2
30
°
sin
60
°
cos
60
°
cos
2
45
°
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Solution
Dear Student,
8
3
cosec
2
30
°
sin
60
°
cos
2
45
°
=
8
3
×
2
2
×
3
2
×
1
2
2
=
8
3
×
4
×
3
2
×
1
2
=
8
3
×
3
=
24
ANS
.
.
.
Regards
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