Activity for sin(a+b) formula
Question 1
Which segment is ?
Question 2
Which segment is ?
Question 3
Which segment is ?
Question 04
Which segment is ?
Question 5
Which segment is ?
Question 6
Which segment is ?
Question 7
What is an expression in terms of and for the length of GB? Hint: Use right triangle ABG.
Question 8
If angle CAD is degrees what can you say about the measure of angle FEG?
Question 9
Write an expression in terms of and for the length of EF? Hint: Use right triangle EFG
Question 10
In question 6, you should have found that segment EI can be called . But EI is also the sum of EF+FI=EF+GB. What is another (more complicated) expression for the length of EI?