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1-116.
  1. Calculus problems often require using one or more of the trigonometric identities to solve problems. Solve each of the following equations where x ∈ [0, 2π]. Use exact values. Homework Help ✎

    1. tan x · csc x = 2

    2. 2 sin2 x − cos x − 1 = 0

    3. tan x + cot x = −2

Simplify the left side of the equation to solve for x.

Use the unit circle to solve for x.

See part (a).

See part (a).

See part (a).