Learn basic trigonometry formulas MCQs, math test for online learning courses, test prep to practice test. Trigonometric identities quiz has multiple choice questions (MCQ), basic trigonometry formulas quiz questions and answers, trigonometric ratios of allied angles, online math learning, trigonometric identities, basic trigonometry formulas tutorials for online math teacher courses distance learning.

College math practice test MCQ: cosθ + cosπ = with choices −2sin(θ + π/2)sin(θ-π/2), 2cos(θ + π/2)sin(θ-π/2), 2cos(θ + π/2)cos(θ-π/2) and none of above for online global learning to qualify for scholarships for international students with knowledge tests. Free study guide is for online learning basic trigonometry formulas quiz with MCQs to practice test questions with answers.

MCQ: Cosθ + cosπ =

1. −2sin(θ + π/2)sin(θ-π/2)
2. 2cos(θ + π/2)sin(θ-π/2)
3. 2cos(θ + π/2)cos(θ-π/2)
4. None of Above

C

MCQ: Tan(α - β) =

1. tanα-tanβ/1 + tanαtanβ
2. tanα+tanβ/1 - tanαtanβ
3. cotα+cotβ/1-cotαcotβ
4. cotα-cotβ/1 + cotαcotβ

A

MCQ: Cot(α - β) =

1. cotα-cotβ/1 + cotαcotβ
2. cotα+cotβ/1-cotαcotβ
3. cotαcotβ-1/cotα+cotβ
4. cotαcotβ+1/cotα+cotβ

B

MCQ: Csc²θ-cot²θ =

1. 1
2. 0
3. −1
4. tan²θ

C

MCQ: Cos²θ =

1. 1 + sin²θ
2. 1 - sin²θ
3. 1-2sin²θ
4. 1+2sin²θ

B