Word Problems using trigonometry and bearings

👉 Learn how to solve the word problems with trigonometry. Word problems involving angles, including but not limited to: bearings, angle of elevations and depressions, triangles problems etc are solved using trigonometry. To be able to solve these problems it is important that you have a grasp of the major trigonometric identities, the Pythagoras rule, the sine rule and the cosine rule.
Just like every word problem, the key to solving a trigonometric word problem is understanding the problem, then represent the information in the problem geometrically (with a diagram). This will give you the full view of the known and the unknown information and also provides you with the best approach to solving the problem.
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✅ Evaluate Inverse Trigonometric Functions
• Evaluate Inverse Trigo...
✅ Evaluate Inverse Trigonometric Functions with a calculator
• Evaluate Inverse Trigo...
✅ Evaluate Inverse Trigonometric Functions | Learn About
• Evaluate Inverse Trigo...
✅ Evaluate Inverse Trigonometric Functions given a Triangle
• Evaluate Inverse Trigo...
✅ How to Evaluate Inverse Trig Functions without a calculator
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✅ Evaluate a Composition of Inverse Trigonometric Functions
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✅ Solve Word Problems in Trigonometry
• Solve Word Problems in...
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[@ivaniaareas6095]

I feel so lucky to be able to be in a time where this information is readily available and free, amazing. Thank you Brian!

[@guyyk0534]

An easier method to solve this : 1. Using cos rule to find distance from port to final point (use (180-15) to find the angle). 2. Now that you have the 3 sides of the triangle, use cos rule to find the angle, i.e the bearing of final point from the port (= answer).

[@AyooPotatoo]

I can’t learn from my math teacher so you are the only reason I’m passing. Thank you so much.

[@oliviavecchio1652]

I have a trig final in an hour and this helped so much 😌

[@MrSaidi03]

Thanks for your posting sir

[@brianmclogan]

said mohamed not a problem, happy to help

[@hduque8153]

Excelente. Uma verdadeira aula. 👍

[@laylajade9572]

thank you so much! This really helped me :D

[@kwen-yinlin5957]

Thank you so much for this it really helped me

[@chloem.872]

I wanted to try the SSS law of cosine on this to see if I could get anything and it didn't work at all for me so I think I'll stop trying to do things on my own and just follow what you did here, thank you

[@shabnamreza6587]

thank you for your help, i really appreciate it. i pass precal bc of u

[@PrayerOnuorah-yw6im]

Sir pls can you help me with this question: A boat sails 150km on a bearing of 042° and then 250km due east . How far is the boat from the starting point

[@brianmclogan]

with what?

[@surajsingh9389]

Thank you for providing such wonderful videos sir

[@brianmclogan]

you are very welcome!

[@lindaofori9519]

Thanks so much sir

[@asark8269]

Could you please solve this : An aircraft flies 500 km on a bearing of 100 and then 600km on a bearing of 160. Find the distance and bearing of the finishing point from the starting point. I really like ur explanation.

[@SahilYadav-dm1zm]

This guy 👑👑

[@sock9766]

Why didn’t you use cos rule?

[@malcolm9873]

[@marilynvaldez1266]

maselan mapili maarte sigurista

[@meleciovalero]

so hard pls help me sir :/

[@georgeonyeka5224]

Cand D are two observation posts on the same horizontal ground at the foot A of a vertical tower AB.the tower is 18m due north of D and 24m east of C.the angle of elevation of B from D is 35• .calculate to three s.f the height AB,distance CD,angle of elevation from C,bearing of C from D

[@oshanechambers9262]

I need some searious help sir