निम्न trigonometry अनुपात का माना बताओ। 1 ) cos 60 dgree 2)tan 30 degree 3) sin 30 degree 4) cosec 60 degree <br />hindi ma batan<br />
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Answer:
cos 60° = 1/2
tan 30°=1/✓3
sin 30°=1/2
cosec 60°= 2/✓3
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