Videos
Introduction to Trigonometry
363
Basic Understanding of Trignometry Application
172
Introduction to Angles
172
Positive/Negative Angles
197
Systems for Measuring Angles: Sexagesimal Angles
515
Converting Angles in Degree to Minutes and Seconds
420
Solution
127
Solution
235
Systems for Measuring Angles: Centismal Angles
194
Circular System
263
Conversion between Degree and Radian
235
Parts of Circle
151
Solution
176
Solution
205
Solution
102
Solution
301
Solution
202
Solution
226
Solution
126
History of Trigonometric Functions
366
Relation between the Trigonometric Ratios
294
Trigonometric Ratios in a Right Angled Triangle
256
Trigonometric Ratios of Special Angles
390
Trigonometric Identities in a Right Angled Triangle
256
Reciprocal Relationship for sec x, tan x and cosec x and cot x
193
Graph of Sine Function in (0, 2π)
262
Graph of Sine Function in R
310
Features of Graph of Sine Function
265
Solution
588
Graph of Cosine Function in (0, 2π)
154
Graph of cosine Function in R
287
Features of Graph of Cosine Function
238
Graph of Sine and Cosine Function
231
Solution
705
Graph of Cosecant Function
393
Features of Graph of Cosecant Function
161
Graph of Secant Function
292
Features of Graph of Secant Function
191
Solution
687
Solution
381
Solution
504
Transformation Formulae: Product to Sum/Difference for 2sinAcosB
347
Transformation Formulae: Product to Sum/Difference for 2sinAsinB and 2cosAcosB
201
Practice: Transformation Formulae on Product to Sum/Difference
53
Solution
297
Transformation Formulae: Sum/Difference to Product for 2sinAcosB
338
Solution
81
Trigonometric Ratios of Multiple Angles of the Form sin 3A
509
Trigonometric Ratios of Multiple Angles of the Form cos 3A
251
Solution
661
Solution
451
Trigonometric Ratios of Multiple Angles of the Form tan 3A
297
Trigonometric Ratios of Submultiple Angles of the Form sin A/3, cos A/3, tan A/3
231
sinxsin(60-x)sin(60+x), cosxcos(60-x)cos(60+x), tanθtan(60-x)tan(60+x) Q1
167
Solution
416
sin(A+B+C) Q1
161
Solution
278
tan(s1+s2+s3....) Q1
677
Trigonometric Ratios of Multiple Angles
291
Corollaries Related to Trigonometric Ratios of Multiple Angles
134
Solution
329
Solution
543
Trigonometric Ratios of Submultiple Angles
460
Important Formulaes on Trigonomteric Functions of Submultiple Angles
258
Practice: Trigonometric Ratios of Submultiple Angles
178
Solution
27
Solution
228
Solution
222
Solution
115
Solution
495
Solution
119
Vertical Stretch of Graphs of Trigonometric Functions
397
Vertical Stretch of Graphs of Trigonometric Functions
183
Horizontal Stretch/Shrink of Graphs of Trigonometric Functions
371
Periodicity of Trigonometric Functions
761
Solution
99
Trigonometric Ratios of Compound Angle: Cosine
388
Solution
484
Sine of Compound Angles
259
Solution
482
Compound Angles: Tangent of Sum of Two Angles
396
Compound Angles: Tangent of Difference of Two Angles
133
Compound Angles: Cotangent of Sum of Two Angles
226
Compound Angles: Cotangent of Difference of Two Angles
257
Solution
423
Sine of Compound Angles
196
Trigonometric Ratios of Compound Angle: Cosine
143
sinxsin(60-x)sin(60+x), cosxcos(60-x)cos(60+x), tanθtan(60-x)tan(60+x) Q1
230
sinxsin(60-x)sin(60+x), cosxcos(60-x)cos(60+x), tanθtan(60-x)tan(60+x) Q1
281
sinxsin(60-x)sin(60+x), cosxcos(60-x)cos(60+x), tanθtan(60-x)tan(60+x) Q1
321