## trigonometry, grade 10, question 12

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

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

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

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

( 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

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

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

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

5) Simplify : Read More

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

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

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

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