Basic trigonometry formulas multiple choice questions (MCQs), basic trigonometry formulas quiz answers to learn online college courses for math degrees. Trigonometric identities MCQs with answers, basic trigonometry formulas quiz questions and answers for online bachelor degree. Learn trigonometric identities, trigonometric ratios of allied angles, double angle identities, sine cosine tangent, basic trigonometry formulas test prep for online certifications.

Practice trigonometric identities test MCQs: 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 bachelor degree. Practice merit scholarships assessment test, online learning basic trigonometry formulas quiz questions for competitive assessment in math major.

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: Cot(α + β) =

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

C

MCQ: Cosα =

1. 1-2sin²α/2
2. 2cos²α/2+1
3. 2cos²α-1
4. 2cos²α-1

A