username007
contestada

The value of sin (180+x) is equivalent to
a)-sinx
b)-sin (90-x)
c)sinx
d)sin (90-x)

If sec (a+15) =csc (2a) find the smallest positive value of a in degrees.

and Q38

The value of sin 180x is equivalent to asinx bsin 90x csinx dsin 90x If sec a15 csc 2a find the smallest positive value of a in degrees and Q38 class=

Respuesta :

nobillionaireNobley
The value of sin (180 + x) is equivalent to - sin x.

Otras preguntas