Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315

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r3t40

Step-by-step explanation:

The given trigonometric equation is

We take the inverse cosine of both sides to obtain;

Group similar terms t obtain;

The correct answer is x = 90°

Step-by-step explanation:

It is given that, cos(90° − x) = 1

To find the value of x

To find the value x, we have to find cos inverse of 1.

cos(90° − x) = 1

90 - x = cos⁻¹ (1)

90 - x = 0

x = 90°

Therefore the value of x is 90°.

The correct answer is x = 90°