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Grade: 11 
        
trigonometric ratios of sub multiple angles: tan theta
 
 
 
3 years ago

Answers : (1)

Vikas TU
11138 Points 
							
 
trigonometric ratios of sub multiple angles: tan theta
are:
tan2A = 2tanA/(1-tan^2A)
tanA = root((1-cos2A)/(1+cos2A))
tan3A = (3sinA – 4sin^3A)/(4cos^3A – 3cosA)
 
3 years ago
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