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6-74.
  1. Christina stared at the equation tan x = . “That’s interesting,” she thought. “Since tan x = , this must mean that sin x = 3 and cos x = 7. But that’s impossible.” Homework Help ✎

    1. Why is it impossible?

    2. What’s going on here?

    3. Find x if 0 ≤ x ≤ 2π.

What is the range of sine and cosine?

There is another solution. Use the unit circle to help you calculate the second solution.