The phrase "a tedious task to" is correct and usable in written English.
It can be used when describing an activity or job that is boring or monotonous and requires a lot of effort or time.
Example: "Cleaning the entire house was a tedious task to complete, but it was necessary."
Alternatives: "a tiresome job to" or "a monotonous chore to".
However, it is still a tedious task to reconstruct complex dendritic trees with fine structures just above voxel resolution.
The municipal corporations in the larger cities have a tedious task to collect offal from outside houses, street corners and even vast spaces of public property where animals are sacrificed.
It is usually a tedious task to register with an Internet based transfer service, due to the many confirmations and forms required.
The use of PCA for modeling the facial dynamics makes it necessary to match physically the 3D points over time, which is a tedious task due to the high speed of lip motion for some sounds.
However, experimental generation of such landscapes is a tedious task due to a large number of possible mutations.
In the air quality forecasting, the selection of optimal input subset (Jiang et al. 2004) becomes especially a tedious task due to large number of measurements from heterogeneous sources and their nonlinear interactions.
Exploring an optimal design point during architectural synthesis is a tedious task owing to the orthogonal issues of reducing exploration time and enhancing design quality as well as resolving the conflicting parameters of power and performance.
However, full BRCA1 and BRCA2 screening still remains a tedious task due to gene length, the plethora of mutations, the high frequency of BRCA1 rearrangements requiring special technical approach, and mutation spectrum differences in different populations.
Big firms worry that if they were left with audit alone, which for most people is a tedious task, their ability to recruit talented staff would evaporate and they might as well hand the job to a government agency.
If pursued, it ran quickly into the nearest sett and digging it out was a tedious task ill-suited to a gentleman.
It was a tedious task; Sartori had to merge data from several sources the lidar, the G.P.S. ground stations, the G.P.S. readings from the aircraft itself, and the data from the I.M.U. to create a "point cloud" of billions of laser reflections accurately situated in three-dimensional space.
