What is the value of 3sec(90)+2cos(pi/3)-3tan(pi/4) ?

The value of 3sec(90)+2cos(pi/3)-3tan(pi/4) is Undefined

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3sec(90)+2cos(pi/3)-3tan(pi/4)

3 sec (9 0^{\circ}) + 2 cos (\frac{π}{3}) - 3 tan (\frac{π}{4})

Undefined

Solution steps

3 sec (9 0^{\circ}) + 2 cos (6 0^{\circ}) - 3 tan (4 5^{\circ})

Use the basic trigonometric identity:

sec (x) = \frac{1}{cos ( x )}

= \frac{1}{cos ( 9 0 ^{\circ} )}

Simplify

\frac{1}{cos ( 9 0 ^{\circ} )} :

Undefined

\frac{1}{cos ( 9 0 ^{\circ} )}

cos (9 0^{\circ}) = 0

= \frac{1}{0}

\frac{x}{0}

is undefined

= Undefined

= Undefined

arcsin (0.61377)

arctan (1.14)

360 cos (4 0^{\circ})

sin^{2} (9 0^{\circ}) + cos^{2} (9 0^{\circ})

arctan (\frac{17.5}{28})

What is the value of 3sec(90)+2cos(pi/3)-3tan(pi/4) ?
The value of 3sec(90)+2cos(pi/3)-3tan(pi/4) is Undefined