Question

(1+cot tetha-cosec tetha)(1+tan tetha+sec tetha)=2

Answer 1

Answer:

Step-by-step explanation:

(1 + cos/sin - 1/sin ) (1+1/cos + sin /cos )

( cos + sin - 1) (cos + sin +1 )

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cos * sin

(cos+sin)² - 1²

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cos * sin

1+ 2 cos sin - 1

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cos * sin

2

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