Math, asked by sbanoo8904, 2 months ago

Cos210°.tan 210° / Sin²225
11grade

Answers

Answered by ajaykumarsiaag

0

Answer:

-3 is the correct

Step-by-step explanation:

cos (180°+210°) .tan(180°+210°) /sin^2(180°+225°)

=cos (30°) .tan(30°) / sin^2(45°)

= -√3/2 . √3 / (-1/√2)^2

= -3/2 / 1/2

= -3

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