Question

solve this question=_=​

Answer 1

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Answer 2

Answer:

m²-n²=a²-b²

Step-by-step explanation:

m=a sec A+b tan A

m²=a² sec² A+ b² tan² A+2ab secA tanA

n=a tan A +b sec A

n² =2²tan²A+b²sec²A+ 2ab sec A tanA

m²-n²=(a² sec² A+b²tan²A+2ab sec A tanA)-(2²tan²A+b²sec²A+2ab sec A tanA )......

(underlined sentences is cutted PLZ CUT IT TO GET THE ABSWER)

a²(sec²A-tan²A)-b²(sec²A-tan²A)

m²-n²=a²-b²

HERE IS YOUR ANSWER

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