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Example
The trigonometry keys, f, g and h, are multi-tap keys.
The angle of depression from a drone flying
metres above the water to a buoy at sea is
. Find the horizontal distance from the drone to the buoy. Give your answer correct to
one decimal place.
Keystrokes and solution:
The angle mode is DEG.
and press k.
Press h and enter
.
Press t > > 1 and enter
.
Press t > > 2 ) n.
The horizontal distance is
metres,
correct to one decimal place.
Note: Press w ] ] > > n to set
the decimal notation mode to a one
decimal place output. FIX is displayed as
an indicator at the top of the screen.
Example
Use the TI-30X Plus MathPrint™ to convert
to radians. Give your answer
(a) in terms of
.
(b) correct to four decimal places.
Keystrokes and solution:
The angle mode is RAD.
[Press w > n to be in radian mode.]
(a)
Enter
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