# Question: outcome can i use trigonometric functions to model real...

###### Question details

*Outcome - Can I use trigonometric functions to model real world context? *

1. Data on sunspots shows that the sunspot number waxes and wanes with a more or less regular solar cycle which repeats itself every 11 years. If there was a minimum in the sunspot number in 1744 of about 10 and a maximum of about 90 in 1750, use the model

$n\left(t\right)=a.\mathrm{sin}(bt+c)+d$

*** Step by step explanation would be great ***