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Byju's Answer
Standard IX
Mathematics
Complementary Trigonometric Ratios
Question 1 iv...
Question
Question 1 (iv)
Evaluate :
c
o
s
e
c
31
∘
−
s
e
c
59
∘
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Solution
c
o
s
e
c
31
∘
−
s
e
c
59
∘
=
c
o
s
e
c
(
90
∘
−
59
∘
)
−
s
e
c
59
∘
=
s
e
c
59
∘
−
s
e
c
59
∘
=
0
(As cosec (
90
∘
- A) = sec A)
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