mathsteddybear
Emaths trigo question ! Can someone help to solve Q20 in the attached file ? please explain to me how to get the answers provided, thank you ! ^^



This Question is Closed

mathsteddybear
Best Response
You've already chosen the best response.
0

mark_o.
Best Response
You've already chosen the best response.
1
whats sin^1(1/2)= ____radian?

mark_o.
Best Response
You've already chosen the best response.
1
arc sin(1/2)= ____radian?

mark_o.
Best Response
You've already chosen the best response.
1
sin x=1/2
then
x=arc sin(1/2)=___radian?

mathsteddybear
Best Response
You've already chosen the best response.
0
i can only get the ans 0.524 but cant get the other answer :(

mark_o.
Best Response
You've already chosen the best response.
1
ok lets try to do this like this
whats 0.524 rad in degrees?

mathsteddybear
Best Response
You've already chosen the best response.
0
31.054° ?

mark_o.
Best Response
You've already chosen the best response.
1
its 30 degrees correct?
then to find the other theta in degrees would be
180 deg  30deg = a50 deg=___rad?

mathsteddybear
Best Response
You've already chosen the best response.
0
2.62 ° ! omg thank you so much ! ^^

mathsteddybear
Best Response
You've already chosen the best response.
0
so the diagram is actually useless right ? >< only the bottom statement is needed to solve

mark_o.
Best Response
You've already chosen the best response.
1
yup it looks like the 2.3 is an arc