Math, asked by kinguu23, 4 months ago

4. cosec2A-cot-2A find

Answers

Answered by akulavijaykumar
0

ANSWER

It is given that 4cotA=3

Thus cotA=

4

3

=

P

B

P=4, B=3

Now, H

2

=P

2

+B

2

H

2

=3

2

+4

2

H

2

=5

2

H=5

cosec

2

A−cot

2

A=(

P

H

)

2

−(

P

B

)

2

= (

4

5

)

2

−(

4

3

)

2

=

16

25

16

9

=

16

16

= 1

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