Videos
Similar vs Different Shapes
140
More on Similarity
283
Similar Triangles
207
Ratios in Right Triangles Part 1
222
Opposite & Adjacent Sides
167
Naming the Ratios
164
Trigonometric Relations
109
Visualisation Using a Unit Circle
381
For Zero and 45 Degrees
367
Multiples of 30
457
Standard Values
235
Variation of Ratios
326
Complementary Ratios
343
Squares of Sin and Cos
331
Squares of Tan and Sec
110
Squares of Cot and Cosec
180
Summary
388
Solution for Tan and Cot
130
Solution For "Cos and Tan"
150
Solution For "Is This True?"
111
Solution For "Sines and Cosines"
141
True or False?
192
Solution For "A and B"
101
Uncommon Angles
296
A+B
147
Solution For "Evaluate"
125
Solution For "Simplify This"
95
Identities!
424
Values of Ratios
294
Find the Other Ratios
484
Question on Standard Values
223
Find A and B
237
Complementary Angles
207
Trigonometric Identities(Complementary Angles)
557
cosec^2(theta) - cot^2(theta) = 1
533
sec^2 theta - tan^2theta = 1
483
sec^2 theta - tan^2theta = 1 (2)
483
Finding trigonometric ratios
406
Question Based on Trigonometric Identities I
590
Question Based on Trigonometric Identities III
476
Question Based on Trigonometric Identities V
203
Transformation Formula
495
Sign of Trigonometric Function, Trigonometric Ratios in Terms of θ
946
Trigonometric Ratios of (90°- θ) in Terms of θ
522
Transformation Formulas
768
Transformula Formula Question I
302
Questions on Trigonometric Identities and Relationship between Trigonometric Ratios I
540
Questions on Trigonometric Identities and Relationship between Trigonometric Ratios III
340
Question Based on Transformation I
426
Introduction of Angles
361
Introduction of Systems of Measurement of an Angle, Sexagesimal System
285
Question on Introduction of Systems of Measurement of an Angle, Sexagesimal System II
210
Circular System
489
Question on Circular System II
71
Centesimal System with Examples
360
Trigonometric Ratio of (180° – θ) in Terms of θ
893
Quick Recap on Trigonometric Ratios
171
Quick Recap on Complementary Angles
127
Quick Recap on Identities
131
Quick Recap on Question of Trigonometric Identities
155