Question #f8366

2 Answers
Apr 11, 2016

Using #arcTan#

Explanation:

#arctan# is used as the opposite to tangent. Use it like this #Tan(x)=3.5/20#
#Arctan(7/40)=x#

On a calculator it may be represented as #Tan^-1#

Apr 12, 2016

#x = 9^@93 + k.180^@#

Explanation:

Use trig unit circle and calculator -->
tan x = 3.5/20 = 0.175 ---> x = 9^@93
General answer:
#x = 9^@93 + k.180^2#