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[" 9."9sec^(2)A-9tan^(2)A=],[[" (a) "1,"...

[" 9."9sec^(2)A-9tan^(2)A=],[[" (a) "1," (b) "9," (c) "8]]

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9 sec^(2) A - 9 tan^(2) A =

Choose the correct option. Justify your choice. (i) 9sec^2A-9tan^2A= (a) 1 (b) 9 (c) 8 (d) 0

Choose the correct option. Justify your choice. (i) 9sec^2A-9tan^2A= (a) 1 (b) 9 (c) 8 (d) 0

9sec^2A-9tan^2A is equal to (a) 1 (b) 9 (c) 8 (d) 0

9sec^(2)A-9tan^(2)A is equal to (a)1(b)9(c)8 (d) 0

" 9."int sec^(2)(x/2)dx=?

9sec^2A-9tan^2 A is equal to

9 sec ^ 2 A - 9 tan ^ 2 A = ?

Choose the correct option. Justify your choice : 9sec^2A-9tan^2A= a. 1 b. 9 c. 8 d. 0

Find the value of 9sec^(2)A-9tan^(2)A