Question

Which of the following is true?
(a) The value of tan A is always less than 1
(b) The value of cot A is always greater than 1
(c) sin A = 5/3 , for some angle A
(d) sec A = 12/5, for some angle A​

Answer 1

hey

☆ Only option D is true

Answer 2

hey only option d is right because


 True.
Let a ΔMNC in which ∠N = 90º,MC be 12k and MB be 5k, where k is a positive real number.
By Pythagoras theorem we get,

MC²=MN²+NC²
(12k)²=(5k)²+NC²
NC²+25k²=144K²
NC²=119k²

Such a triangle is possible as it will follow the Pythagoras theorem

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