sum identitiesの例文

• *PM : proof of angle sum identities, id = 9798 new !-- WP guess : proof of angle sum identities-- Status:
• *PM : proof of angle sum identities, id = 9798 new !-- WP guess : proof of angle sum identities-- Status:
• These identities can also be used to derive the product-to-sum identities that were used in antiquity to transform the product of two numbers into a sum of numbers and greatly speed operations, much like the logarithm function.