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Trigonometry
point A and B 1000 m apart are plotted on a straight highway running East and West. From A, the bearing of a tower C is 32 degree W of N and from B the bearing of C is 26 degree N of E. apprroximate the shortest distance of tower C to the highway.
Trigonometry
Prove that (cosA+cosB/sinA-sinB)^n + (sinA+sinB/cosA-cosB)^n ={2cot^n(A-B/2),if even}
{0, if odd}
{0, if odd}
Trigonometry
calculate the value of A if (sinA-1)(2cosA-1)=0
Trigonometry
cos(pi/8)*cos(7pi/8)*cos(3pi/8)*cos(5pi/8)
Trigonometry
1/sinA+cosA+1/sinA-cosA
Trigonometry
Show that cos20°cos40°cos60°cos80°=1/16
Trigonometry
sin20*sin40*sin60*sin80
Trigonometry
cos20*cos40*cos60*cos80
Trigonometry
what is the quadrant (or possible quadrants) of an angle that satisfies the given conditions
Trigonometry
Frank hikes from trigtown on a bearing of 060º for 15.6km
Earnest hikes from the same town on a bearing of 150º for 24.2km
What is the three digit bearing of frank from earnest?
What is the 3 digit bearing of earnest from frank
What is the three digit bearing of trigtown from earnest
Earnest hikes from the same town on a bearing of 150º for 24.2km
What is the three digit bearing of frank from earnest?
What is the 3 digit bearing of earnest from frank
What is the three digit bearing of trigtown from earnest
