Question

Sin^2 35+sin^2 55/tan10tan20tan60tan70tan80

Answer 1

Answer:

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Step-by-step explanation:

If the question is bracket one then the answer is 1.As. Sin15/cos15*sin25/cos25*sin60/cos60*sin65/cos65*sin75/cos75 [as tan15 =sin15/cos15]. Sin15/cos15*sin25/cos25*sin60/cos60*sin(90-25)/cos(90-25)*sin(90-15)/cos(90-15). Sin15/cos15*sin25/cos25*sin60/cos60*cos25/sin25*cos15/sin15. [Now on solving we get]. √3/2*2/√3 =1

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Answer 2

Answer:

The correct answer is 1

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