Math, asked by adityapawank, 2 months ago

cosA/1-tanA+sinA/1-cotA=sinA-cosA​

Answers

Answered by aaravlokhandedpsv
0

Answer:

1−tanA

cosA

​  

+  

1−cotA

sinA

​  

 

1−  

cosA

sinA

​  

 

cosA

​  

+  

1−  

sinA

cosA

​  

 

sinA

​  

 

cosA−sinA

cos  

2

A

​  

−  

cosA−sinA

sin  

2

A

​  

 

cosA−sinA

cos  

2

A−sin  

2

A

​  

 

cosA−sinA

(cosA+sinA)(cosA−sinA)

​  

 

sinA+cosA

Step-by-step explanation:

Answered by sandy1816
0

 \frac{cosA}{1 - tanA}  +  \frac{sinA}{1 - cotA}  \\  \\  =  \frac{ {cos}^{2}A }{cosA - sinA}  +  \frac{ {sin}^{2}A }{sinA - cosA}  \\  \\  =  \frac{ {cos}^{2} A}{cosA - sinA}  -  \frac{ {sin}^{2}A }{cosA- sinA}  \\  \\  =  \frac{ {cos}^{2}A -  {sin}^{2}  A}{cosA - sinA}  \\  \\  = cosA + sinA

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