Question

Q.8
If cosec 6 = 2x and cot 0 = ? , find the value of 2(x? -
x
​

Answer 1

Answer:

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Step-by-step explanation:

cosecθ=2x

⇒cosec

2

θ=4x

2

⇒x

2

=

4

1

cosec

2

θ

⇒ycotθ=2

⇒y

2

cot

2

θ=4

⇒

y

2

1

=

4

1

cot

2

θ

⇒4(x

2

−

y

2

1

)=4[

4

1

cosec

2

θ−

4

1

cot

2

θ]

=4×

4

1

[cosec

2

θ−cot

2

θ]

=1.1

=1

Hence, the answer is 1.