Preview question: TrigA2

Technical information

Behaviour being used: Adaptive mode

Minimum fraction: 0

Question summary: Sabent que [tan open parentheses alpha close parentheses equals fraction numerator negative 3 over denominator 4 end fraction] i [alpha element of open square brackets pi over 2 comma pi close square brackets], calculeu: ______ [5 times sin open parentheses alpha close parentheses equals]_____ [cos open parentheses alpha over 2 close parentheses equals plus square root of n over 10 end root] on n_=_____ _ on n_=_____ _ on n_=_____ _ on n_=_____

Right answer summary: part 1: -4; part 2: 3; part 3: 1; part 4: 9; part 5: -12; part 6: 7

Question state: todo

$5 times cos open parentheses alpha close parentheses equals$ Answer	$5 times sin open parentheses alpha close parentheses equals$ Answer
$cos open parentheses alpha over 2 close parentheses equals plus square root of n over 10 end root$ on n=Answer	$sin open parentheses alpha over 2 close parentheses equals plus square root of n over 10 end root$ on n=Answer
$sin left parenthesis 2 alpha right parenthesis equals n over 25$ on n=Answer	$cos open parentheses 2 alpha close parentheses equals n over 25$ on n=Answer

Preview question: TrigA2

Question 1

Question text