The exterior angles obtained on producing the base of a triangle both ways

 

P. The exterior angles obtained on producing the base of a triangle both ways are 100 degrees and 120 degrees. Find all the angles

                                                                (Our YouTube channel: Maths Solutions by HPL)








Location: Andhra Pradesh, India

Comments

Post a Comment

Popular posts from this blog

Let ABCDEF be a regular hexagon with centre O, show that AB+AC+AD+AE+AF

Image
 P. Let ABCDEF be a regular hexagon with centre O, show that AB+AC+AD+AE+AF    (For other Questions, you can find    Jr. Inter Maths 1A  ,  Jr. Inter Maths 1B ,  Sr. Inter Maths2A  ,  Sr. Inter Maths2B    playlists in the You tube.)                                                                 (Our YouTube channel:   Maths Solutions by HPL ) Solutions to the below questions are also available in our You tube channel Maths 1A: 1.  If the points whose position vectors are 3i-2j-k,2i+3j-4k,-i+j+2k 2.   If a=2i+j-k, b=-i+2j-4k, c=i+j+k then find (a×b).(b×c) 3.  For A belongs to R, Prove that cosA.cos((π/3)+A).cos((π/3)-A)=1/4cos3A and 4.  Solve cot^2x-(√3+1)cotx+√3 5.  Prove that tan^(-1)(1/2) + tan^(-1)(1/5) + ta...
Read more

If the points whose position vectors are 3i-2j-k, 2i+3j-4k

Image
 P. If the points whose position vectors are 3i-2j-k, 2i+3j-4k...    (For other Questions, you can find    Jr. Inter Maths 1A  ,  Jr. Inter Maths 1B ,  Sr. Inter Maths2A  ,  Sr. Inter Maths2B    playlists in the You tube.)                                                                 (Our YouTube channel:   Maths Solutions by HPL ) Solutions to the below questions are also available in our You tube channel Maths 1A: 1.  If the points whose position vectors are 3i-2j-k,2i+3j-4k,-i+j+2k 2.   If a=2i+j-k, b=-i+2j-4k, c=i+j+k then find (a×b).(b×c) 3.  For A belongs to R, Prove that cosA.cos((π/3)+A).cos((π/3)-A)=1/4cos3A and 4.  Solve cot^2x-(√3+1)cotx+√3 5.  Prove that tan^(-1)(1/2) + tan^(-1)(1/5) + tan^(-1)(1/8...
Read more