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Trigonometry

Trigonometry (Question)

  1. If sin x = 4/5 and cos x = 3/5, what is the value of tan x?
  2. If tan x = 12/5 while cos x = 5/13, what is the value of sin x?
  3. If tan x = 0.75 and the adjacent length is 10cm. What is the length for the hypothenuse?

Guide:

sin x = t/h
cos x = s/h
tan x = t/s
t – opposite side
s – adjacent side
h – hypotenuse

Trigonometry (Answer)

  1. 4/3
  2. 12/13
  3. 12.5cm

About Dr Loo - O-level & JC H2 math tutor

I am Dr Loo, a PhD holder with 8 years of teaching experience on secondary school and tertiary level specialize on mathematics and statistics. In addition, I also received teaching training under tertiary setting. Furthermore, I have published 5 research papers on international peer reviewed journals. If you are currenlty looking for mathematics tuition in Singapore, I do provide O-level Math Tutoring & JC Math Tutoring (H1 Math Tuition Class & H2 Math Tuition Class).

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O-level Math & JC Math Tuition Singapore - Trigonometry
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