11) it 5 cotØ 12
find
cosec of Seco
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Answered by
2
Answer:
5cotθ=12
∴cotθ=
5
12
∴1+
25
144
=cosec
2
θ
∴cosecθ=
25
169
=
5
13
∴1+
144
25
=sec
2
θ
∴secθ=
144
169
=
12
13
12
13
+
5
13
=
60
65+156
=
60
221
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