Answer:
Undefined
Step-by-step explanation:
To simplify, find tan 90. Tan 90 isn't possible to find. Tangent is the value of Sine divided by Cosine. The sin 90 = 1. The cos 90 = 0. When you divide to find the tangent, it becomes 1 divided by 0. However, nothing can be divided by zero. The answer is undefined.
