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त्रिकोणमिति
Trigonometry
Question 10 of 36
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Question 10
cosec 30° का मान क्या है?
A. (a) 2
B. (b) 1
C. (c) 1/2
D. (d) √2
Explanation cosec θ = 1/sin θ. sin 30° = 1/2, इसलिए cosec 30° = 2।