Victoriaflower Victoriaflower

09-03-2020
Mathematics

contestada

proof cot a/2 = 1+cos a/sin a ??

Respuesta :

PollyP52 PollyP52

09-03-2020

Answer:

See below.

Step-by-step explanation:

tan a/2 = sin a / (1 + cos a)

cot a/2 = 1 / tan a/2

= 1 / sin a / (1 + cos a)

= (1 + cos a) / sin a.

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