TRIG IDENTITIES 4/19/23 QUOTIENT IDENTITIES tan = and cote= she RECIPROCAL IDENTITIES sin 8 - cus 9 - 38 6 tan - the csco - mine sec - 7656 cot 8 - The PYTHAGOREAN IDENTITIES sin* 0 + cos' 8 = 1 sec' 0-tard e = 1 csc' 8 - cote = 1 1 - sin? 8 = cos 1 + tang = sec2 8 1 + cote = esc3 8 1 - cost @ = sin? e sec? 0 -1 = tan 0 csc? @- 1 = cote ODD/ EVEN IDENTITIES sin(-6) = -sin e cso(-8) = -csce cost-e) - cose sec(-0) - sec e tan(-9) = -tan col(-8) = -cote SUM/DIFFERENCE IDENTITIES sin(@ + 8) = sin a cos B + cas asin B sin(a - 8) = sin a cos B - cos a sin B costa + B) = cos a cos B- sin asing cos(a- 8) - cas a cos B + sin asin # tan(a + 8) = thantang tanya - 8) - 1+tan atan DOUBLE-ANGLE IDENTITIES sin 2 0 = 2 sin @ cos e cos 2 0 = cos? @-sin' e tan 2 0 - fans = 2cos3 0-1 1 -2 sin' 8 what trig identity equation could be equal to * Use the table of trig identifies above to help you 2 sin x =