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2a

If 6 =

then a = ......

then a = ......

a32

If 4 =

then a = .....

then a = .....

Difference between a tangent and an angle.

A

there is none, in fact

B

a tangent is about steepness; an angle is not

C

an angle is in degrees;
a tangent is a number

D

an angle is a number;
a tangent is in degrees

you use 'shift tan' on the Casio, when you

A

know the angle and you want to know the tangent.

B

know 2 sides of a right-angled triangle and you want to calculate the 3rd side.

C

know the tangent and you want to know the angle.

D

want to round an angle to a whole number of degrees.