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Solve the following trig equations.

I have some trigonometric equations to do, but I'm pretty lost, and I have to get them done in a timely fashion, so any help
1. 0 answers
2. asked by Gary
3. 689 views
How would you solve this trig function:cos2x=sin^2-2 how do you know what trig identities to use?
1. 4 answers
2. asked by Jess
3. 720 views
Hi,I really need help in understanding how to solve trig equations. How do you solve this equation? Solve the equation on the
1. 1 answer
2. asked by Leah
3. 646 views
A right triangle has a hypotneuse of x an adjacent of 9 and an oppisite of 15Solve for x. Round to the nearest tenth. Please
1. 1 answer
2. asked by ditto
3. 89 views
How to solve for delta using trig functions? i.e. cosine sine tangent secant Thank youI'm not sure what delta you're referring
1. 0 answers
2. asked by Kali
3. 829 views
1. what trig function has an amplitue of 1 and negative values for angles between π/2 and π?2. what trig function never
1. 1 answer
2. asked by anon
3. 910 views
could someone please refresh my memory of the basic trig functions?ex) cos^2 + sin^2 = 1? That is a trig identity.
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2. asked by raychael
3. 606 views
Solve the following trig equations. Give all positive values of the angle between 0 degrees and 360 degrees that will satisfy
1. 1 answer
2. asked by anon
3. 495 views
Solve the following trig equations. give all the positive values of the angle between 0 degrees and 360 degrees that will
1. 2 answers
2. asked by anon
3. 969 views
Solve the following trig equations. give all the positive values of the angle between 0 degrees and 360 degrees that will
1. 2 answers
2. asked by anon
3. 926 views