Question

(secA +tanA)( 1 - sinA) = ?​

Answer 1

Answer:

chal

Step-by-step explanation:

khul apne khudse kaar

Answer 2

We need to find the value of (secA +tanA)( 1 - sinA)

Putting the value of sec A and Tan A as

sec A = 1/cos A

tan A = sin A/cos A

(1/cos A + sin A/cos A) (1- sin A)

= 1+sin A/cos A (1 - sin A)

= 1- sin²A/cos A

= cos²A/cos A...(As 1- sin²A = cos²A)

= cos A