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Grade: 12th pass
        
The value of tan 4\(^{\circ}\).tan 43\(^{\circ}\).tan 47 \(^{\circ}\).tan 86 \(^{\circ}\) is
2
3
1
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4 months ago

Answers : (1)

Monoxdifly
27 Points
							
tan4tan43tan47tan86 = tan4tan43tan(90-43)tan(90-4) = tan4tan43cot43cot4 = tan4cot4tan43cot43 = 1× 1 = 1
4 months ago
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