Here we are presenting some mnemonics related to
trignometric formulae .We are
sure all of you like these mnemonics . We
assure you after just reading
these mnemonics you will never forget these
formulae even at the age of
90 Trignometric
Ratios
sin
A=
perpendicular
cos A=
base tanA=perpenicular
hypotenuse
hypotenuse
base
Some
people
have
curly
brown
hair
SinA perpendicular
hypotenuse
cosA
base hypotenuse
through
proper
busing
tanA
perpendicular
base
Quotient relations:
(i) tanA = sinA
cosA
Teja Singh"s
Car tanA sinA
cosA
Reciprocal relations
(i) sinA = 1 ,
cosecA= 1 (ii)
cos A= 1 ,
secA = 1 cosecA sinA
sec A cosA
(iii) tanA= 1 , cotA
= 1
cot A
tanA
A sick
clever
cow
is seeing
tiger's
cave sin A
cosec A
cos A
sec A
tan A
cotA
Square relations
(Fundamental Identities)
(i) sinē A +cosē A = 1 (ii)
1 +tanē A = secē A
Some Sugar
and
coffe
of
Tejpur
and
ootty
is Sweet Square of
sin A
add
cosA =
one ,
tanA
add one
= secA
sinē A
+ cosē A=
1 tanē A
+ 1 = secēA
Value of
=1.732
one small
tea table
one seven
three two
1.732
Value of =1.414
Ihave a fish
one four one four
(Count letters in each word)
Values of under root of 3 and 2
are very frequenly used in hight and distance .
A good time saver if you remmember the
value of these two real numbers
T-ratios
of standard angles
0°
30°
45°
60°
90°
Sin
Cos
For
sin write 0 ,1 ,2 ,3 ,4 divide these numbers
by 4 and take under root
For
cos write 4 ,3, 2, 1,0 divide these
numbers by 4 and take under root
Students if
you have such type mnemonics please share
that with us we "ll publish it with your
name, send to
mnemonics@mathstest.4t.com
=1.732
=1.414
