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.
The G Watch R is still listed as coming soon on LG's US, UK and Australian websites, with no prices given. It's due to hit both countries within the next month, however, but as an approximate guide, the UK retailer Unlocked Mobiles has given it a preorder price of Â£230, which converts to around $370.