If sin𝜃 = －4/5 & 3π＜𝜃＜7π/2, find sin(2𝜃).

🌈 Applying Trig Identities ⭐️ ----- • ----- • ----- • ----- • ----- • ----- P15 🟣 🔗 🔵 🔗 🟢 🔗 🟡 🔗 🟠 🔗 🔴 If csc𝜃 = 25/7 & 90º＜𝜃＜180º, find csc(2𝜃). 🔗    • If csc𝜃 = 25/7 & 90º＜𝜃＜180º, find csc(2𝜃).   P16 🟣 🔗 🔵 🔗 🟢 🔗 🟡 If sin𝜃 = -3/5 & 3π/2＜𝜃＜2π, find sec(𝜃/2). 🔗    • If sin𝜃 = -3/5 & 3π/2＜𝜃＜2π, find sec(𝜃/2).   🟠 If csc𝜃 = 8/3 & π/2＜𝜃＜π, find cot(𝜃/2). 🔗    • If sec𝜃 = 5/4 & 0º＜𝜃＜90º, find cos(𝜃/2).   🔴 If sec𝜃 = 5/4 & 0º＜𝜃＜90º, find cos(𝜃/2). 🔗    • If sec𝜃 = 5/4 & 0º＜𝜃＜90º, find cos(𝜃/2).   P17 🟣 🔗 🔵 🔗 🟢 🔗 🟡 🔗 🟠 🔗 🔴 🔗 P18 🟣 🔗 🔵 🔗 🟢 🔗 🟡 🔗 🟠 🔗 🔴 🔗 P18 🔴 If cot(－𝜃)= 0.47, find tan( 𝜃－(π/2) ). 🔗 lllllll 🟠 If sec𝜃 = －5.76, find csc( 𝜃－(π/2) ). 🔗 llllll 🟡 Find the exact value of cos15º by using the appropriate Angle Sum/Diff Identities. 🔗    • Find the exact value: cos15º; use the appr...   🟢 Find the exact value of tan15º by using the appropriate Angle Sum/Diff Identities. 🔗    • Find the exact value: tan15º; use the appr...   🔵 Simplify: ( tan(3u)－tan(－u) ) / ( 1+ tan(3u)•tan(－u) ) 🔗    • Simplify: ( tan(3u)－tan(－u) ) / ( 1+ tan(3...   🟣 Simplify: cos(－6v)cos(－5v) + sin(－6v)sin(－5v) 🔗    • Simplify: cos(－6v)cos(－5v) + sin(－6v)sin(－5v)   P19 🟣 Find the exact value: ( tan(46º) － tan(1º) ) / ( 1 + tan(46º)•tan(1º) ) 🔗    • Find the exact value: (tan46º－tan1º) / (1 ...   🔵 Find the exact value: sin(22π/9)cos(7π/9) － cos(22π/9)sin(7π/9) 🔗    • Simplify sin(22π/9)cos(7π/9) － cos(22π/9)s...   🟢 Find the exact value: cos(25π/9)cos(10π/9) + sin(25π/9)sin(10π/9) 🔗    • Simplify: cos(²⁵π/₉)cos(¹⁰π/₉) + sin(²⁵π/₉...   🟡 If sin𝜃 = －4/5 & 3π＜𝜃＜7π/2, find sin(2𝜃). 🔗    • If sin𝜃 =  －4/5 & 3π＜𝜃＜7π/2, find sin(2𝜃).   🟠 If cos𝜃 = 3/5 & 0＜𝜃＜π, find cos(2𝜃). 🔗    • If cos𝜃 = 3/5 & 0＜𝜃＜π, find cos(2𝜃).   🔴 If cos𝜃 =－3/5 & 450º＜𝜃＜540º, find sin(𝜃/2). 🔗    • If cos𝜃 =－3/5 & 450º＜𝜃＜540º, find sin(𝜃/2).   P20 🔴 If sin𝜃 = 12/13 & 450º＜𝜃＜540º, find sin(2𝜃). 🔗    • If sin𝜃 = 12/13 & 450º＜𝜃＜540º, find sin(2𝜃).   🟠 If cos𝜃 = √(7)/7 & 270º＜𝜃＜360º, find cos(2𝜃). 🔗    • If cos𝜃 = √(7)/7 & 270º＜𝜃＜360º, find cos(2𝜃).   🟡 If cos𝜃 = -3/5 & 90º＜𝜃＜180º, find tan(2𝜃). 🔗    • If cos𝜃 = -3/5 & 90º＜𝜃＜180º, find tan(2𝜃).   🟢 If tan𝜃 = -4/3 & 90º＜𝜃＜180º, find tan(𝜃/2). 🔗    • If tan𝜃 = -4/3 & 90º＜𝜃＜180º, find tan(𝜃/2).   🔵 If sin𝜃 = 12/13 & π/2＜𝜃＜π, find tan(2𝜃). 🔗    • If sin𝜃 = 12/13 & π/2＜𝜃＜π, find tan(2𝜃).   🟣 If cos𝜃 = -3/5 & 450º＜𝜃＜540º, find sin(𝜃/2). 🔗    • If cos𝜃 = -3/5 & 450º＜𝜃＜540º, find sin(𝜃/2).   P21 💜 Use a half-angle identity to find cos(9π/8). 🔗    • Use a half-angle identity to find cos(9π/8).   💙 Use a half-angle identity to find tan(15º). 🔗    • Use a half-angle identity to find tan(15º).   💚 Use a half-angle identity to find sin(112.5º). 🔗    • Use a half-angle identity to find sin(112....   💛 Use a half-angle identity to find tan(23π/12). 🔗    • Use a half-angle identity to find tan(23π/...   🧡 If tan𝜃 = 15/8 & π＜𝜃＜3π/2, find cos(𝜃/2). 🔗    • If tan𝜃 = 15/8 & π＜𝜃＜3π/2, find cos(𝜃/2).   ❤️ If tan𝜃 = 5√(39)/39 & 3π/2＜𝜃＜2π, find sin(𝜃/2). 🔗    • If tan𝜃 = 5√(39)/39 & 3π/2＜𝜃＜2π, find sin(...   ↑ ↑ ↑ ↑ error at the end of this video... (I fix it in the orange heart video.)