Sherming's answer to Justin Tan's Junior College 1 H1 Maths Singapore question.
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3) sub h= 0,
sin^2 t - 0.2sin t = 0
same as qn 2d & 2e , use calculator to solve quadratic eqn!!!
the first 4 times is the 4 smallest t u get
the first time is confirm t=0
alternatively, u can draw sine graph if u dw use calculator to find ans :)
sin^2 t - 0.2sin t = 0
same as qn 2d & 2e , use calculator to solve quadratic eqn!!!
the first 4 times is the 4 smallest t u get
the first time is confirm t=0
alternatively, u can draw sine graph if u dw use calculator to find ans :)
Date Posted:
4 years ago
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