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Ex 8.4
Ex 8.4, 2 Important
Ex 8.4, 3 (i) Important
Ex 8.4, 3 (ii)
Ex 8.4, 4 (i) [MCQ] You are here
Ex 8.4, 4 (ii) [MCQ] Important
Ex 8.4, 4 (iii) [MCQ] Important
Ex 8.4, 4 (iv) [MCQ]
Ex 8.4, 5 (i) Important
Ex 8.4, 5 (ii)
Ex 8.4, 5 (iii) Important
Ex 8.4, 5 (iv) Important
Ex 8.4, 5 (v) Important
Ex 8.4, 5 (vi)
Ex 8.4, 5 (vii) Important
Ex 8.4, 5 (viii)
Ex 8.4, 5 (ix) Important
Ex 8.4, 5 (x)
Last updated at March 29, 2023 by Teachoo
Ex 8.4, 4 Choose the correct option. Justify your choice. (i) 9 sec2 A – 9 tan2 A 1 (B) 9 (C) 8 (D) 0 9 sec2 A – 9 tan2 A = 9 (1 + tan2 A) – 9 tan2 A = 9 + 9 tan2 A – 9 tan2 A = 9 + 0 = 9 Hence B is the correct option