Topic 
Qty of hours 
Holding form 
Lesson 1. Definition and properties of inverse function. Determination of arc functions. 
1 
Lecture on review of the properties of inverse trigonometric functions and extension of learners’ knowledge about them. 
Lesson 2 Trigonometric operations over arc functions. 
1 
Practice on proof of identities, transformation by derivation of formulas. 
Lesson 3. Correlation between arc functions. 
1 
Seminar on derivation of correlations between arc functions 
Lesson 4 Plotting functions with symbols of inverse trigonometric functions. 
1 
Practice on plotting. 
Lessons 5 and 6 Solution of equations and inequalities with inverse trigonometric functions. 
2 
Practice on problem solving. 
Choice of research topic, execution and defense during the week of mathematics in school or on a schoollevel practical conference. 

Research work 