Question

Show that tan’a - tan’B = cos
2ecos B-cos’a
cos² B.cosa
sin a-sin'
cosB.cosa​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

tan’a - tan’B = cos

2ecos B-cos’a

cos² B.cosa

sin a-sin'

cosB.cosa

Sin A =1