Posts In: trigonometry

trigonometry, grade 10, question 12

27/01/2017 Grade 10 2,639

Simplify each of A and B. Deduce that A x B=3Read More

trigonometry, grade 10, question 11

27/01/2017 Grade 10 709

Verify that (2x2-1)(x+2)=2x3+4x2-x-2. , find cos a if E=0 knowing that 90<a<180Read More

trigo, question 10, grade 10

04/12/2016 Grade 10 190

10) Calculate without any use of a calculator:Read More

trigonometry, question 2, grade 9 and 10

04/09/2016 Grade 10, Grade 9 2,929

( x is an acute angle) Verify that BC =  Show that AH =  Suppose that sinx =  a) Calculate cosx. b) Deduce the exact value of AB and AC. c) Calculate CH and BH.…Read More

trigonometry, question 1, grade 9

04/09/2016 Grade 9 2,748

Choose the correct answer: 1) If  where x is an acute angle, then x = a)                  b)                     …Read More

trigo, question 7, grade 10

26/06/2016 Grade 10 2,574

7) Given E =  a) Show that E = tanx b) Suppose that E = -1 and  , Calculate cosx and sinx then deduce x.Read More

trigo, question 6, grade 10

20/06/2016 Grade 10 335

6) Given  1)Verify that  2)Deduce the value of Read More

trigo, question 4, grade 10

20/06/2016 Grade 10 2,352

4) a)Consider E = (tanx -3)(2sinx+1)(3cosx+4). b)Calculate the trigonometric functions of x if E=0, knowing that .Read More

trigo, question 2, grade 10

19/06/2016 Grade 10 2,961

2) a)Find the principal value of: and  . b) Deduce Read More

trigo , question 3, grade 10

19/06/2016 Grade 10 345

2) On a trigonometric circle , plot the end points of the arcRead More

trigo, question 1, grade 10

19/06/2016 Grade 10 1,500

1) - Find the principal value of each of the following angles: and  - Deduce the value ofRead More