The phrase "a tactic whose" is correct and usable in written English.
You can use it when describing a tactic that is associated with or belongs to a particular subject or context.
Example: "The team implemented a tactic whose effectiveness was proven in previous campaigns."
Alternatives: "a strategy that" or "an approach whose".
Instead, it's a tactic whose aims bleed into the larger, endless struggle of people to control land, set up governments, and exercise power.
Democrats similarly acceded to President Barack Obama on questions of executive power, a tactic whose danger they are now learning as they object to Trump's assertions of unilateral authority today.
The defense's agenda for the hearings will involve efforts to suppress the evidence gathered at Dr. Lee's home because of a faulty warrant -- a tactic whose success, considered a long shot, could cripple the prosecution -- and an even more important effort to introduce all the data Dr. Lee downloaded, equal to more than 400,000 pages, at his trial.
ISIS is an enemy who explicitly embraces the massive use of human shields, a loathsome tactic whose lethality to noncombatants is compounded in densely-populated 'civilian' terrains.
The four say that KI has embarked on a "diversion tactic" whose purpose is "to provide KI, under the leadership of Prof Hamsten, with an air of plausible deniability to the images revealed in the documentary".
The continuous focus on black-on-black crime is a diversionary tactic, whose aim is to suggest that black people don't have the right to be outraged about police violence.
However, the thermal costs of these forays probably limit the extent of littoral feeding even for individuals displaying a warm tactic, whose forays into warm-water habitats were usually short.
The Tories like to think that scaremongering about cuts is an electioneering tactic whose time has passed.
This correction is entirely an expedient tactic whose coefficient estimates come from fitting velocity residuals when M=15 g mol −1 to (13).
In his earlier stint as police commissioner, Bratton was a champion of the tactic, whose targets, disproportionately young men and minorities, describe it as humiliating harassment.
Stephen Blum New York, Dec. 3, 2009 To the Editor: David Brooks ("Clear, Hold and Duct Tape," column, Dec. 1) coolly treats the current debacle and President Obama's decision to send more troops to Afghanistan as if it were an interesting problem in military tactics whose outcome it will be instructive to observe.
