Taivo A Taiwan Mandarin dictionary

雙曲餘弦

shuāngqūyúxián

ㄕㄨㄤ ㄑㄩ ㄩˊ ㄒㄧㄢˊ

Simplified 双曲余弦

  1. 1hyperbolic cosine or cosh (math.)

Keep 雙曲餘弦 and it comes back until you know it.

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