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Trigonometry Questions

A roof rafter is needed to span a legth of 15m for a roof rise of 8m.a carpenter cuts a rafter of 18m.find the distance of the rafter span?
Ambiguous case, find CA
Cos90+sin45=?
Dy/dx
Find the angle of elevation
Flight angle
Prove that the triangle formed is right angled isosceles for this particular condition of its angles: sinA.sinB.sinC+cosA.cosB=1 where A,B,C are the angles of the triangle.
Prove that(1/cosA+sinA)+(1/cosA-sinA = 2cosA/2cos^2A-1
Sin + cos > 1
What does SOHCAHTOA mean?
What is a special case right angled triangle?
What is Pythagoras theorem?
What is the point of doing trigonometry?
Who was Pythagoras?

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Category: maths