Remember: The formula for the period only cares about the coefficient, $$ \color{red}{a} $$ in front of the x. The formula for the period is the coefficient is 8 : $$ -7 cos (\color{red}{8}x) $$. $ period = \frac{2 \pi}{ \color{red}{a}} \\ period = \frac{2 \pi}{ 8} \\ period = \frac{ \pi}{4} $.
Monarch V7 Professional Edition's list price is $765 for a single user and $2,365 for a network of four users. A single user upgrade from V6 Standard Edition to V7 Standard Edition is $169. A single user upgrade from V6 Standard Edition to V7 Pro Edition is $279. A single user upgrade from V6 Pro Edition to V7 Pro Edition is $169. Monarch is available through leading resellers and by calling Datawatch directly at 800-445-3311.
Depending on the quality of quartz and style of edging, HomeAdvisor.com places the average cost to install quartz countertops between $1,500 and $5,500. You can do some of the preliminary work to save money, but because engineered quartz is heavier than other stone surfaces, a professional installer needs to make sure the space is structurally sound.