CBSE BOARD X, asked by syamnec, 8 months ago

Prove that (seca-1)2-(tana-sina)2=(1-cosa)2

Answers

Answered by ayushmanmishra483

0

Answer:

Sec hota hai seca nahi

Tan hota hai tana nahi

Sin hota hai sina nahi

Cos hota cosa nahi

isi bahane hum answer denge bhi nahi

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