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can you draw it please ?

pic us not given..

indifferent just for what is your oppinion from this pic

|dw:1339328315880:dw| i gues its like dis

|dw:1339328315376:dw|

my ans is theta=cos-1(1/4)

The options 60 45 30 15

The correct answer is \(15^\circ \)

@FoolForMath u r correct how????? PLzz show it!

lol sorry!!
\[tan(15^o) = 2 - \sqrt3\]
and the other angle will automatically be 90-15 = 75 degrees.

Well, I can think of a radical free beautiful solution :)

i did nt understand the method used!

Don't just think, share it with us. @FoolForMath -_-

in my answer, the equation 1 ab=4x^2
for area of the triangle equals 0.5ab or 0.5*4x*x

No Idea!

the equation 2, a^2+b^2=4ab
means Pythagorean Theorem

Side a is hypot

and half of hypotenuse times its attitude is also the area of triangle

so these two part, 0.5ab and 0.5*4x*x can be equal

this is the first equation

the second is accroading to Pythagorean Theorem
can u got it?

by the way hypotenuse is the longest side in a right triangle

my first eq is 0.5ab=4x^2 !

@FoolForMath yours looks cool!
but i think your method could be a bit difficult

why? I think it's fairly obvious :)

well as far as I'm concerned, i seldom use cot sec :(

high school in my country didnt teach us cot sec,only taught sin cos and tan

which country is that?

guess it!

I am very bad at guessing :(

alright, it's china!

Thanks, you had already shown that, just that, I was being to dense to see it. Thanks again

*to too

:)