Qualification > Math

IMPORTANTTT

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Saladin:
Let me get this straight, are your values as follows?

and

Saladin:
Would you be kind enough to give the .pdf file of the question in concern?

cooldude:

--- Quote from: halosh92 on August 07, 2010, 11:37:18 am ---if sin p = 2/3  and                   pie/2 <= p <= pie                , then tan p is equal to

A) -2/sqrt 5
B)  2 / sqrt 13
c) sqrt 5/2
D)- 1 /sqrt 13
E) 2/sqrt 5


--- End quote ---

sin p=2/3
(sin p)^2+(cos p)^2=1
cos p=root 1-(4/9)=root 5/9
tan p=sin p/cos p=2/3 / (root 5)/3
=2/root 5 therefore e

mousa:

--- Quote from: halosh92 on August 07, 2010, 09:42:23 am ---yepppp  ;D ;D ;D
u heading there 2 ?

--- End quote ---

I might. I  have done all placement tests.Though i applied for medicine aswell,  but still not confirmed till the results are out!!!

By the way, when is your placement test??

halosh92:
hey engraved nop its  hard copy actually :S

one more question:

cos( 5pie/4) is equal to
a) -1
b) 1/2
c) -1/2
d) -1/sqrt2
e) none of these
is it e ???


another question:

find all the solutions of the equation    sin(2x)= 1
given that x is in the interval (0, 2 pie)\
a) pie/2 only
b) pie/4 only
c) pie/4 and 3pie/4
d) pie/4 and 5pie/4
e) none of these.
thxxxx cool dude By the way xD

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