Question

Trigonometry Ka question​

Answer 1

Heya

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L.H.S

Cos x { Cosec x -1 } +Cos x { Cosec x + 1}
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Cosec² x - 1²

=>

Cosecx × Cosx - Cosx + Cosx × Cosec x +Cosx
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Cosec² x - 1

=>

2 Cosecx × Cosx
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( Cot² x )

=>

2Cosx × Cosecx
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Cot² x

=>

2 Cotx
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Cot²x

=>

2 Tan x

where X is = theta

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Formula used

1 + Cot² x = Cosec² x

Answer 2

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