Question

cot^2A(secA-1)/(1+sinA)-sec^2A(1-sinA)/(1+secA)​

Answer 1

Answer:

What is this bro

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Answer 2

Answer:

Zero

Step-by-step explanation:

Cot²A(SecA - 1)/ 1+SinA - Sec²A(1-SinA)/ 1+SecA

Cross Multiply

[Cot²A(SecA-1)(SecA+1) - Sec²A(1+SinA)(1-SinA)]/ (1+SinA)(1+SecA)

[Cot²A(Sec²A-1) - Sec²A(1-Sin²A)]/ (1+SinA)(1-SecA)

[Cot²A.Tan²A - Sec²A.Cos²A]/(1+SinA)(1-SecA)

1 - 1 = 0.