The angle #x - 20˚# is subtracted from #70˚ + x#, and the sine of the result is taken. What is the final answer obtained?
1 Answer
Apr 10, 2017
This simplifies to
Explanation:
We have:
#=sin(a - b)#
#=sin(70 + x -(x - 20))#
#=sin(70 + x- x + 20)#
#= sin(90˚)#
#= 1#
Hopefully this helps!