Evaluate cos(57/4).tan(38/3)
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Answer:
We have,
csc
2
57
o
−tan
2
33
o
sec
2
54
o
−cot
2
36
o
+2sin
2
38
o
.sec
2
52
o
−sin
2
45
o
.
=
csc
2
(90
o
−33
o
)−tan
2
33
o
sec
2
(90
o
−36
o
)−cot
2
36
o
+2sin
2
38
o
.sec
2
(90
o
−38
o
)−sin
2
45
o
=
sec
2
33
o
−tan
2
33
o
csc
2
36
o
−cot
2
36
o
+2sin
2
38
o
.csc
2
38
o
−(
2
1
)
2
=
1
1
+2.1−
2
1
=3−
2
1
=
2
5
.
Step-by-step explanation:
i hope it helps to you
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