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Second quadrant, First quadrant, sin (90°+0) = + cos 0, cos (90°+ 0) = - sin 0, sin (90°- 0) = cos 0, cos (90°- 0) = sin 0, In first, In second, tan (90°+0) = - cot 0, cot (90°+0) = - tan 0, quadrant all, tan (90°- 0) = cot 0, cot (90°- 0) = tan 0, quadrant, are, the sin and, sec (90°+0) = - cosec 0, cosec (90º+0) =+ sec 0, positive, sec (90°- Ө) — cosec Ө, cosec(90°- 0), = sec 0, cosec are, positive, sin (180°-0) = + sin 0, cos (180°-0) = - cos 0, sin (360°+ 0) = sin 0, cos (360°+0) = cos 0, tan (180°-0) = - tan 0, cot (180°-0) =- cot 0, tan (360°+0) = tan 0, cot (360°+0) = cot 0, sec (180°-0) = - sec 0, cosec(180º-0)=+cosec 0, sec (360°+Ө) %3D sec @, cosec(360°+0) = cosec 0, sin (180°+0) = - sin 0, cos (180°+0) =, sin (270°+0) =- cos 0, cos (270°+0 ) =+ sin 0, - cos e, tan (180°+0) =+ tan 0, cot (180°+0) =+ cot 0, tan (270°+0) = - cot 0, cot (270°+0) = - tan 0, In third, cosec(180°+0) = - cosec 0, sec (270°+0) = +cosec 0, cosec(270°+0) = - sec 0, quadrant, sec (180°+0) = - sec 0, the tan and, In fourth, cot are, quadrant, positive, sin (270°- 0) =- cos 0, cos (270°- 0) = - sin 0, the cos and, sin (360°- 0) = - sin 0, cos (360°-0) =+ cos 0, sec are, positive, tan (270°- 0) =+ cot 0, cot (270°- 0) =+ tan 0, tan (360°-0) = - tan 0, cot (360°-0) = - cot 0, sec (270°-0) — - cosec @ cosec(270°- Ө) —- sec Ө, sec (360°-0) —+ sec @ coseс(360°-0) —-, = - cosec, Third quadrant, Fourth quadrant