Cuidichidh triantanachd le cheistean mu thriantain cheart-cheàrnach a’ cleachdadh nan co-mheas sine, cosine no tansaint. Cuidichidh SMH CDH TMD (SOH CAH TOA) gus cuimhne a chumail air na foirmlean.
Part of MatamataigTriantanachd
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