Slide 1 : Welcome to the Class I am Sebastian Vattamattam
vattamattam@gmail.com Your name, email ID,
And status
[T for teacher, S for student, and P for parent]
Please type in the chat box
TrigonometrY : TrigonometrY Class XI Your name, email ID, and status [T for teacher, S for student P for parent]
Slide 3 : Revision Class X A B C b c a SinA =
CosA =
TanA =
CosecA =
SecA =
CotA = Your name, email ID, and status [T for teacher, S for student P for parent]
Slide 4 : Given tanA = 4/3, find the other trigonometric ratios of angle A A B C 3 ? 4 SinA =
CosA =
TanA =
CosecA =
SecA =
CotA = Your name, email ID, and status [T for teacher, S for student P for parent]
Slide 5 : Radian(Circular) Measure
of an Angle O A B l 1 Your name, email ID, and status [T for teacher, S for student P for parent]
Slide 6 : O A B l 1 – a right angle Your name, email ID, and status [T for teacher, S for student P for parent]
Slide 7 : Remember Always
Slide 8 : Trigonometric Ratios of Any Angle A(1, 0) O P(x, y) X Y
Slide 9 : Trigonometric Ratios of
0o, 90o, 180o,270o,360o O X Y A(1, 0) (0, 1) (-1, 0) (0, -1)
Slide 10 : Sine Ratios 0 1 0 -1 Positive Negative Negative Negative Cosine Ratios 1 0 -1 0 Positive Positive Positive Negative
Slide 11 : Your name, email ID, and status [T for teacher, S for student P for parent]
Slide 12 : (x,y) (-x,y) (x,-y) (-x,-y) Your name, email ID, and status [T for teacher, S for student P for parent]
Slide 13 : (x,y) (-x,y) (x,-y) (-x,-y) Complete the Table and write the conclusions. Your name, email ID, and status [T for teacher, S for student P for parent]
Slide 14 : 5 12 ? Your name, email ID, and status [T for teacher, S for student P for parent]
Slide 15 : ? 1 2 Your name, email ID, and status [T for teacher, S for student P for parent]
Slide 16 : O P(1, 0) Q(cosA, sinA) A B -B R(cos(A+B), sin(A+B)) S(cos(-B), sin(-B)) Your name, email ID, and status [T for teacher, S for student P for parent]
Slide 17 : Your name, email ID, and status [T for teacher, S for student P for parent] If you are a student in Class X, XI, or XII, and
if and when you have doubts in Math, then
send a message,
email your problems,
request an online class
to mathonline4u@gmail.com
You will get an immediate response,
You will be invited to Skype to get your doubts cleared, FREE
Harder problems will soon be solved and mailed to you, and
Online classes will be scheduled as per your request, for the topics you suggest. For a NOMINAL FEE