Trig Equations *
Identities
What's your inverse?
Angle Formulas
Random Bonus
100
solve over interval 0 to 2 pi sin 2x= cos x
What is pi/6, 5pi/6, pi/2, and 3pi/2
100
Verify: Sin^2(x)+cos^2(x)=sec^2(x)-tan^2(x)
What is Sin ^ 2 x + cos^2 x = Sin^2 x+Cos^2 x? QED!
100
arc sin ( √3 /2)
What is π/3
100
Cos(A+B)=
What is cosAcosB - sinAsinB
100
What is Manny's favorite restaruant?
What is Chiptole?
200
solve over interval 0 to 2 pi csc^2 x = cot x+1
What is pi/2, 3pi/2, pi/4,5pi/4
200
(1+〖tan〗^2 x)/csc^2 x = tan^2 x
〖tan〗^2 x=〖tan〗^2 x QED
200
arc sec (-2)
What is 2π/3?
200
Cos 105˚
What is (√2 – √6)/4
200
Who won the oscar for best actor at the last oscars?
Who is Daniel Day Lewis?
300
solve over interval 0 to 2 pi tan^2 x cos x + 5 cos (x) = 0
What is pi/2, 3pi/2
300
〖cot〗^2 x(〖sec〗^2 x-1)=1
1=1 QED
300
sin arctan (1/2)
What is √5/5?
300
sin(a/2)?
+/- √(.5(1-cos(a)))
300
What is the capital of Peru?
What is Lima?
400
solve over interval 0 to 2 pi cos (x/2) - cos(x)= 1
What is 2pi/3, 4pi/3
400
(1/tanx)+tanx = (sec^2 x)/tanx
(1/tanx)+tanx = (1/tanx)+tanx QED
400
Simplify tan arc cos(x)
√(1-x^2) / x
400
tan (2a)
What is 2 tan(a)/ 1-tan^2 a
400
Which US president said,"The business of America is business,"?
What is Calvin Coolidge?
500
sin x = √3 sin(x/2)
What is pi/3, 5pi/3, 0
500
Cos x +sin x tan x= sec x
What is sec x= sec x? QED
500
cos (arc tan (1) - arc sin (1))
What is √2/2?
500
Show work to indicate that tan (a/2) = =+/- √((1-cos(a)/(1+cos(a)))
What is +/- √((1-cos(a)/(1+cos(a))) = +/- √((1-cos(a)/(1+cos(a))) QED!!!!!
500
Which two US states border the most other states? (Hint each of these states border 8 other US states) No looking at Maps!
What is Missouri, Tennessee
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