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UPSC CDS I 2024 Math Paper
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Question : 9
Total: 100
If t = cos 79°, then what is cosec 79° (1 - cos 79°) equal to ?
√
1
+
t
1
−
t
t
√
1
−
t
2
√
1
−
t
2
t
√
1
−
t
1
+
t
Validate
Solution:
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