3. Trigonometry
Interactive practice questions
Given $\tan x=\frac{b}{a}$tanx=ba:
a
What would be the next line of working in solving for $b$b?
$b=a\div\tan x$b=a÷tanx
A
$b=a\times\tan x$b=a×tanx
B
b
If $x=39^\circ$x=39° and $a=10$a=10, solve for $b$b, rounding to one decimal place.
Easy
1min
Given $\tan x=\frac{b}{a}$tanx=ba:
Easy
1min
Consider the diagram below.
Easy
3min
Given $\tan\theta=\frac{2}{3}$tanθ=23, find the value of $b$b.
Easy
1min
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