Math, asked by NosratEva, 3 months ago

1+costheta÷1-costheta=? plz ans. me

Answers

Answered by rounaksoni23gmailcom

0

Answer:

cot²(Q/2)

Step-by-step explanation:

1+cosQ/1-cosQ

2cos²(Q/2)/2sin²(Q/2)

cot²(Q/2)

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