10. and are acute angles in quadrant I, with sin =7/25 and cos=5/13. Without using a calculator determine the values of sin( + ) and tan( + ).
So far i did
x^2 + y^2 = r^2
x^2 + 7^2 = 25^2
x^2= 625-49
x= +- 24
im not sure if thats even right...
10. and are acute angles in quadrant I, with sin =7/25 and cos=5/13. Without using a calculator determine the values of sin( + ) and tan( + ).
So far i did
x^2 + y^2 = r^2
x^2 + 7^2 = 25^2
x^2= 625-49
x= +- 24
im not sure if thats even right...