Math, asked by yashsrivastava81, 11 months ago

prove : 1+tan x tan x/2=sec x= tan x cot x/2 -1​

Answers

Answered by vamshigorikanti
2

Step-by-step explanation:

1 + tanx = sec x , tan x/2 = 1/cot/ x/2, cot x / 2- 1

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