Trig Final
Convert the point (4,225(degree)) to rectangular coordinates
(-2(square root 2), -2(square root 2)); (-4, 45degree); (4, -135degree)
Use the graph of y=secx to find values between -4pie and 4pie
(-7pie/2), (-5pie/2), (-3pie/2), (-pie/2), (pie/2), (2pie/2), (3pie/2), (5pie/2), (7pie/2)
Convert equation x+y=2 to polar coordinate
R= (2/ cos + sin)
Find exact value of cot pie/12
Square root 3 + 1/ square root 3- 1=2 + square root 3
Find two square roots of 4-(square root)3
(-square root 6) + i(square root 2), (square root 6) - i(square root 2)
If theta is 2pie/3 is a central angle that cuts off an arc length of pie/4cm find the radius
0.375
Simply i^16
1
Use cal to find theta to the nearest tenth a degree if cos= .9730
13.3degree
Solve 3cos2theta+5 sintheta= 0
203.8, 336.2
A point is rotating in a circle with a radius of 1ft find v
20pie
Convert 4pie/3 to degree measure
240 degree
Write 2+2i in trig form
2square root2 cis45
Use cal to find theta to the nearest tenth degree if sec= 1.5450 in QIV
310.3 degree
Simplify {2(cos10+isin10)}^5
32cis50
Height of a tree: 79.0(degree), backs up 40ft, 72.6(degree), find height
336ft
Find 3U-5V
35i + 31j
If B=118, C=37, and c= 2.9 use law of sine to find b
4.3in
Find area of problem above
52km
If a=10, b=12, c=11 use law of cosine to find B
69.5
Simplify (7+3i)-{(2+i)-(3-4i)}
8-2i
Dot product to find angle between U and V
98.6
If triangle ABC is right and has measures of a=20.5, b=31.4, C=90(degree). Find reaming sides
A= 331., B=56.&, c=37.5
Graph one circle of y=1/2sin(pie/2)x
Amp=1/2, period=4
Find two triangles for which A=26, a=4.8, and b=9.4
B=59degree, C=95degree, c=11, B'=121degree, C'= 33degree, c'= 6ft
If cos= 3/5 in QIV find the values of the other 5 trig functions
Sin= -(4/5), tan= -(4/5), cot= -(3/4), csc= -(5/4), sec= (5/3)
Prove the equation sec^2xcsc^2=sec^2x+csc^2x
True from second half
Write an equivalent algebraic expression for tan(sin^-1x) with x only
X/(square root 1-x^2)
For the complex number 3+4i give the absolute value, opposite, and conjugate
a=5, b=-3, c= 3-4i
Find exact value cos15
square root 6 + square root 2/ 4