Trigonometry 1 Flashcards
1
Q
Cosine of angle A
A
Side adjacent to angle A / Hypotenuse
1
Q
Cotangent of angle A
A
side adjacent to angle A / side opposite to angle A
1
Q
The secant of angle A
A
Hypotenuse / side adjacent to angle A
1
Q
Tangent of angle A
A
Side opposite to angle A / side adjacent to angle A
1
Q
Sine of angle A
A
Side opposite to angle A / Hypotenuse
2
Q
The ratios cosec A, sec A and cot A are ____________ of the ratios sin A, cos A and tan A.
A
The reciprocals
3
Q
Pythagoras theorem
A
For hypotenuse - c = root of a^2 + b^2
For sides - a or b = root of c^2 - b or a^2
4
Q
Cosecant of angle A
A
Hypotenuse / Side opposite to angle A