Question

Prove that

sin sin 2

cot cos cot cos

A A

A ecA A ecA

 

 

[2]

OR

Prove that

cos cos 2sec

1 sin 1 sin

 



 ​

Answer 1

Answer:

okkkkkkkkkkkkkkkkkkk

Answer 2

Answer:

• it is what it is no one can prove XD