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sin (90° – 0) = cos e, cos (90° – 0) = sin e, tan (90° – 0) = cot 0, cot (90° – 0) = tan e, sec (90° – 0) = cosece, cosec (90° – 0) = sec 0, sin (90° + 0) = cose, cos (90° + 0) = - sin e, tan (90° + 0) = - cot e, cot (90° + 0), sec (90° + 0) = - cosece, cosec (90° + 0) = sec e, tan e, sin (180° – 0) = sin e, cos (180° – 0), tan (180° – 0) = - tan e, cot (180° – 0) = - cote, sec (180° – 0) = - sec e, cosec (180° – 0) = cosece, sin (180° + 0), cos (180° + 0) =, tan (180° + 0) = tan 0, cot (180° + 0) = cot 0, sec (180° + 0), cosec (180° + 0) = - cosece, = -, sin e, - cos e, - cos e, = -, %3D, = - sec e, sin (360° – 0) = sin(-0) = - sin e, cos (360° – 0) = cos(-0) = cos e, tan (360° – 0) = tan(-8) = - tan e, cot (360° – 0) = cot(-0) = - cot 0, sec (360° – 0) = sec(-0) = sec0, cosec (360° – 0) = cosec(-0) =, sin (360° + 0) = sin e, cos (360° + 0) = cos e, tan (360° + 0) = tan 0, cot (360° + 0) = cot e, sec (360° + 0) = sece, cosec (360° + 0) = cosece, -cosec 0