sin 18/cos72 का मान है-
(i)1 से अधिक
(iii)1
(ii) 1 से कम
(iv)0
Answers
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Answered by
1
Answer:
The correct answer is 1
Step-by-step explanation:
sin 18°/cos 72° = sin(90°-72°)/cos 72°
=cos 72°/cos 72°
=1
Formula:-
sin(90°-x) = cos x
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