Question

Please do it . For class 9​

Answer 1

Answer:

(secA+cosA)²=(10/3)²

sec²A+cos²A+2secAcosA=100/9

sec²A+cos²A+2secA*1/secA=100/9

sec²A+cos²A+2=100/9

sec²A+cos²A=100/9-2

sec²A+cos²A=82/9