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#🤔 Unknown Facts
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![🤔 Unknown Facts - Ledrn Trigonometry_(beginner advance) Part 16: solving basic trigonometric equdtions Trigonometric equarions using are solved standard values quadrantl and rules Example 1 (0" < 0 < 3609 2 Solve : sin 0 So solutions are: Step 1: Find reference angle 30% sin ३०९ 0 = 180" 309 So reference angle 30" ರ = 30 Step 2: Use quadrant rule |50 positive] Sin In: and Quadrant 2 Quadrant @sudhcrscn Example 2 2 (0" < 0 < 3609 Solve: Cos 0 = 50 solutions : Reference angle: 0= 301 309 COS 360ా 30" 0 = posiTive in; 309 cos Quadrant 4 QuqdrqnT and 3309 0 solving Trick Quick Step Find reference angie Use ASTC rule Srep २: Step 3: Write solufions in range Common mistakes Forgenginy second Solution wrong quadrant Mixing | signs sin and COS' Revision quadront rule reference angle Always use Ledrn Trigonometry_(beginner advance) Part 16: solving basic trigonometric equdtions Trigonometric equarions using are solved standard values quadrantl and rules Example 1 (0" < 0 < 3609 2 Solve : sin 0 So solutions are: Step 1: Find reference angle 30% sin ३०९ 0 = 180" 309 So reference angle 30" ರ = 30 Step 2: Use quadrant rule |50 positive] Sin In: and Quadrant 2 Quadrant @sudhcrscn Example 2 2 (0" < 0 < 3609 Solve: Cos 0 = 50 solutions : Reference angle: 0= 301 309 COS 360ా 30" 0 = posiTive in; 309 cos Quadrant 4 QuqdrqnT and 3309 0 solving Trick Quick Step Find reference angie Use ASTC rule Srep २: Step 3: Write solufions in range Common mistakes Forgenginy second Solution wrong quadrant Mixing | signs sin and COS' Revision quadront rule reference angle Always use - ShareChat](https://cdn4.sharechat.com/bd5223f_s1w/compressed_gm_40_img_817392_26cf2847_1772958809358_sc.jpg?tenant=sc&referrer=pwa-sharechat-service&f=358_sc.jpg "🤔 Unknown Facts - Ledrn Trigonometry_(beginner advance) Part 16: solving basic trigonometric equdtions Trigonometric equarions using are solved standard values quadrantl and rules Example 1 (0\" < 0 < 3609 2 Solve : sin 0 So solutions are: Step 1: Find reference angle 30% sin ३०९ 0 = 180\" 309 So reference angle 30\" ರ = 30 Step 2: Use quadrant rule |50 positive] Sin In: and Quadrant 2 Quadrant @sudhcrscn Example 2 2 (0\" < 0 < 3609 Solve: Cos 0 = 50 solutions : Reference angle: 0= 301 309 COS 360ా 30\" 0 = posiTive in; 309 cos Quadrant 4 QuqdrqnT and 3309 0 solving Trick Quick Step Find reference angie Use ASTC rule Srep २: Step 3: Write solufions in range Common mistakes Forgenginy second Solution wrong quadrant Mixing | signs sin and COS' Revision quadront rule reference angle Always use Ledrn Trigonometry_(beginner advance) Part 16: solving basic trigonometric equdtions Trigonometric equarions using are solved standard values quadrantl and rules Example 1 (0\" < 0 < 3609 2 Solve : sin 0 So solutions are: Step 1: Find reference angle 30% sin ३०९ 0 = 180\" 309 So reference angle 30\" ರ = 30 Step 2: Use quadrant rule |50 positive] Sin In: and Quadrant 2 Quadrant @sudhcrscn Example 2 2 (0\" < 0 < 3609 Solve: Cos 0 = 50 solutions : Reference angle: 0= 301 309 COS 360ా 30\" 0 = posiTive in; 309 cos Quadrant 4 QuqdrqnT and 3309 0 solving Trick Quick Step Find reference angie Use ASTC rule Srep २: Step 3: Write solufions in range Common mistakes Forgenginy second Solution wrong quadrant Mixing | signs sin and COS' Revision quadront rule reference angle Always use - ShareChat")