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Byju's Answer
Standard IX
Mathematics
Trigonometric Ratio(sin,cos,tan)
40. Prove tha...
Question
40. Prove that { ( 1 + cos A )/sin A } + { sin A / ( 1 + cos A ) } = 2 cosec A .
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Q.
Prove that
sin
A
1
+
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+
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+
cos
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sin
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Q.
Prove that
c
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−
s
i
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+
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s
A
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Q.
prove (sin a ÷1+cos) +(1+cos a÷sin a)=2 cosec a
Q.
Prove :
sin
A
1
+
cos
A
+
1
+
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A
sin
A
=
2
c
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s
e
c
A
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Prove that
cos
A
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