Math Is Fun Forum

niharika_kumar

Member

From: Numeraland

Registered: 2013-02-12

Posts: 1,062

trigonometry#6

here comes one more trig. question

if

then

)

options are:-

a)

b)

c)

d)

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friendship is tan 90°.

Bob

Administrator

Registered: 2010-06-20

Posts: 10,643

Re: trigonometry#6

hi Niharika

I think that means beta = 90 - alpha.

..........................................

Bob

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Children are not defined by school ...........The Fonz
You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you!  …………….Bob

anonimnystefy

Real Member

From: Harlan's World

Registered: 2011-05-23

Posts: 16,049

Re: trigonometry#6

Doesn't

imply that

(up to a period of 2pi)?

From that we get:

Last edited by anonimnystefy (2014-02-14 02:20:15)

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“Here lies the reader who will never open this book. He is forever dead.
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

niharika_kumar

Member

From: Numeraland

Registered: 2013-02-12

Posts: 1,062

Re: trigonometry#6

thanx.
that was really good.

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friendship is tan 90°.