Math, asked by hero5383, 6 months ago

(sec A- tan A)2 (1 + sin A)= 1 - sin A​

Answers

Answered by Anvi1294
1

Answer:

ANSWER

LHS=(secA−tanA)  

2

 

      =(  

cosA

1

​  

−  

cosA

sinA

​  

)  

2

 

      =  

(1−sin  

2

A)

(1−sinA)  

2

 

​  

 

       

      =  

(1−sinA)(1+sinA)

(1−sinA)  

2

 

​  

 

      =  

1+sinA

1−sinA

​  

 

      =RHS

Hence proved.    

Answered by manojkrsingh1171
0

Step-by-step explanation:

LHS=(secA−tanA)

2

=(

cosA

1

cosA

sinA

)

2

=

(1−sin

2

A)

(1−sinA)

2

=

(1−sinA)(1+sinA)

(1−sinA)

2

=

1+sinA

1−sinA

=RHS

Hence proved.

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