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(1 + sec A)/sec A = sin2A/(1-cos A) prove the following

(1 + sec A)/sec A = sin2A/(1-cos A)
 
prove the following

Grade:12

1 Answers

Vikas TU
14149 Points
9 months ago
Dear student 
(1+seca)/seca = sin2a/(1-cosa)
Put seca = 1/cosa in LHS 
LHS Will simplify to 
cosa + 1 
Multiply and divide with (1-cosa) 
(1-cos^2a)/(1-cosa)
= sin2a/(1-cosa) 
 

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