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Yes. They are not mutually exclusive.
In my opinion they can be combined but trading in the medium term as a minimum, which would be to take advantage to buy more in bear markets and sell at specific times in bull markets, not to be buying and selling all day long.
It is on a case-to-case basis in my opinion --perhaps.
Why? --because not all of us know how to trade, know how to do technical analysis nor fundamental analysis.
In that case, it depends on our knowledge or skills, for low knowledge or skills, investing and holding perhaps is an ideal one and for an experienced crypto enthusiast, would be trading.