My Blog

Tag: Trigonometry

  • Online Simple and Easy Trigonometry Test for Beginners

    —

    by

    admin
    in

    ALL THE BEST Q1) Which one of these are correct? sin(-A) = sinA cos(-A) = cosA tan(-A) = tanA cot(-A) = cotA opt1 Q2) In a right angled triangle,what is the side opposite to the right angle called? Hypotenuse Base Perpendicular None of the above opt1 Q3) If sinx -cosx = 0, what is the…

  • Introdution to Trigonometry

    —

    by

    admin
    in

    Trigonometry deals with right angled triangles. So, we must be clear about the Pythagoras theorem first. Pythagoras theorem states that, ” the square of the length of the hypotenuse is equal to the sum of squares of the lengths of other two sides of the right-angled triangle, written as: $\text{h}^2 \ = \ \text{p}^2 \ + \ \text{b}^2$. Now,…