Question

Prove that (Sec A - Tan A)²=
1-SinA/
1+SinA​

Answer 1

Step-by-step explanation:

The solution is in the attachment above!

Hope it helps ya!!

Answer 2

$\huge\underline\mathfrak\blue{Solution-}$

Refer to the attachment :)

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$\large\underline\mathfrak\blue{Trignometrical\:Ratioes\:used-}$

SecA= 1/cosA

TanA= SinA/CosA

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$\large\underline\mathfrak\blue{Identities\:used-}$

• Sin²A+cos²A=1

=> 1-Sin²A=Cos²A

• (a+b)(a-b)=a²-b²