Question

which of the following are solutions of the equation tan^2x-1=0 check all that apply a) pi/4 b) pi/2 c) -pi/2 d)3pi/4

Answer 1

Answer:

a

Step-by-step explanation:

tan^2x-1=0

tan^2x=1

tan x = +1 or -1

x= tan^-1 (1) or x= tan^-1 (1)

x= pi/4  or x= -pi/4

Answer 2

A function assigns the value of each element of one set to the other specific element of another set. The correct option is A.

What is a Function?

A function assigns the value of each element of one set to the other specific element of another set.

The solution for the given trigonometric function can be written as,

tan²x - 1 = 0

tan²x = 1

tan x = √1

tan x = 1

x = tan⁻¹ (1)

x = (π/4), (nπ/4)

Hence, the correct option is A.

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