Post a New Question

Trigonometry/ Please Help

posted by on .

Given sine of alpha=2/3 and cosine of alpha is less than zero, find the exact value of the other five trigonometric functions.

  • Trigonometry/ Please Help - ,

    sketch a right-angled triangle with hypotenuse 3 and opposite side as 2
    by Pythagoras the adjacent side to angle alpha is √5

    You should know the definition of the 6 trig ratios in terms of opposite, adjacent and hypotenuse

    e.g. tan (alpha)= 2/√5

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions

Post a New Question