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College Math Practice Test 51

# Harmonic Mean Quiz Answers PDF - 51

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The Book Harmonic Mean Quiz Questions and Answers, harmonic mean Quiz MCQs PDF, chapter 10-51 to download online math degree courses. Study Sequences and Series MCQ Questions PDF, harmonic mean Multiple Choice Questions (MCQ Quiz) for online college degrees. The e-Book Harmonic Mean Quiz App Download: harmonic mean, double angle identities, trigonometry problems, harmonic progression (hp), geometric mean test prep for online colleges for science.

The Quiz: H1,H2,…,Hn are said to be n harmonic means between a and b if a,H1,H2…,Hn,b form PDF, "Harmonic Mean" App (Android & iOS) Free with a.p, h.p, g.p, and harmonic series choices for colleges that offer online courses. Practice sequences and series questions and answers, Google eBook to download free sample for accredited online college courses.

## Math Quiz Online: Harmonic Mean MCQs - 51

MCQ: H1,H2,…,Hn are said to be n harmonic means between a and b if a,H1,H2…,Hn,b form

A) H.P
B) A.P
C) G.P
D) Harmonic series

MCQ: 1 + tanαtan2α =

A) −sec2α
B) −cosec2α
C) cosec2α
D) sec2α

MCQ: Csc²θ/2-cot²θ/2 =

A) 1
B) −1
C) 0
D) sec²2θ

MCQ: If a and d are the first term and the common difference of the A.P respectively, then the nth term of corresponding H.P is

A) an = a+(n-1)d
B) an = 1/a+(n-1)d
C) an = a/1+(n-1)d
D) an = a/a+(n-1)d

MCQ: If n is the total number of geometric mean between a and b than the nth geometric mean between a and b is

A) a(b/a)n/n+1
B) a(b/a)m/n+1
C) b(a/b)m/n+1
D) ab