Basic Maths used in physics Flashcards
1
Q
for an angle, 1 degree = __ minutes
A
60 minutes
2
Q
the three trigonometric identities are :
A
.
3
Q
sin 37 = cos 53 = ?
A
3/5
4
Q
cos 37 = sin 53 = ?
A
4/5
5
Q
tan 37= ?
A
3/4
6
Q
tan 53 = ?
A
4/3
7
Q
sin (A+B) = ?
A
sinAcosB + cosAsinB
8
Q
sin (A-B) = ?
A
sinAcosB - cosAsinB
9
Q
tan (A+B) = ?
A
tanA+tanB / 1 - tanAtanB
10
Q
tan (A+B) = ?
A
tanA - tanB / 1 + tanAtanB
11
Q
sin (2X) = ? for converting 2X to X
A
2 sinX cosX
12
Q
signs of ratios of quad 1
A
all +ve
13
Q
signs of ratios of quad 2
A
sin, cosec +ve
cos,sec,tan -ve
14
Q
signs of ratios of quad 3
A
tan +ve
cos,sin,sec,cosec -ve
15
Q
signs of ratios of quad 4
A
cos,sec +ve
sin,cosec,tan -ve
