Question

provide that
sin tetta / 1 + cos tetta + 1 + cos tetta / sin tetta = 2 cosec tetta​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

proved,

Step-by-step explanation:

L.H.S. =

1+cosθ

1−cosθ

⇒ L.H.S. =

1+cosθ

1−cosθ

×

1−cosθ

1−cosθ

⇒ L.H.S. =

1−cos

2

θ

(1−cosθ)

2

=

sin

2

θ

(1−cosθ)

2

⇒ L.H.S. = (

sinθ

1−cosθ

)

2

=(

sinθ

1

−

sinθ

cosθ

)

2

=(cosecθ−cotθ)

2

=R.H.S.