Math, asked by aasthaandani11, 9 months ago

cos^2 (11pi/4 ) - sin^2 (19pi/4 )-2 tan (19pi/4 ) + sec^2 (11pi/4)

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Answered by llBestFriendsll

6

(tan)11π3(-2sin)4π6-34(cosec2)π4 +4cos2)17π6=3-4√32.

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