Question

tan^+cot^=10/3,tan+cot,tan-cot?​

Answer 1

Answer:

Take an x-axis and an y-axis (orthonormal) and let O be the origin. A circle centered in O and with radius = 1 is known as trigonometric circle or unit circle.

unit circle

If P is a point from the circle and A is the angle between PO and x axis then:

the x-coordinate of P is called the cosine of A. We write cos(A) or cos A;

the y-coordinate of P is called the sine of A. We write sin(A) or sin A;

the number sin(A)/cos(A) is called the tangent of A. We write tan(A) or tan A;

the number cos(A)/sin(A) is called the cotangent of A. We write cot(A) or cot A.

Step-by-step explanation:

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