Question

8cosec2A -8cot2A-4sec2B+4tan2B is equal to

Answer 1

Step-by-step explanation:

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Answer 2

Answer Is Up Above

Correct option is

A

1

sin

2

60°+cos

2

60°=(

2

3

)

2

+(

2

1

)

2

⇒

4

3

+

4

1

=

4

4

=1