Math, asked by indra1536, 4 months ago

if cosec titha= √5,find the value of (i)2-sin2 thitha -cos2 thitha​

Answers

Answered by Anonymous
3

Answer:

ANSWER

cosecΘ=

5

cosecΘ=

P

H

=

5

Thus, H=

5

,P=1

Using Pythagoras Theorem,

H

2

=P

2

+B

2

(

5

)

2

=1

2

+B

2

5=1+B

2

B=2

Now, 2−sin

2

Θ−cos

2

Θ

= 2−(

H

P

)

2

−(

H

B

)

2

= 2−(

5

1

)

2

−(

5

2

)

2

= 2−

5

1

5

4

= 2−1

= 1

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