CHAPTER 5: Trigonometry (1) The Sine Rule
EXERCISE 5B : Number 7 – 12 Solutions
EXERCISE 5B : Number 1 – 6 Solutions
Number 1:
In △ABC, A = 29⁰, B = 36⁰, b = 15.8cm. Find a
Number 2:
In △ABC, A = 54.2⁰, B = 71.5⁰, a = 12.4cm. Find b
Number 3:
In △ABC, B = 104.3⁰, C = 31.3⁰, a = 29.0cm. Calculate c
Number 4:
In △PQR, P = 83⁰, p = 285m, r = 216m. Calculate R.
Number 5:
In △ABC, C = 53⁰, b = 3.56, c = 4.28m. Calculate B
Number 6:
In △ABC, A = 115⁰, a = 65m, b = 32m. Solve the triangle completely
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