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Use double angle formulas to

I've tried many times to get the equation to balance using trig identities like half-angle formulas, power-reducing formulas,
1. 1 answer
2. asked by Christina
3. 688 views
Express as a single sine or cosine function (note: this is using double angle formulas)g) 8sin^2x-4 I just don't get this one. I
1. 3 answers
2. asked by Alex
3. 1,005 views
sin2x-cotx = -cotxcos2xUsing the various trigonometric identities(i.e. double angle formulas, power reducing formulas, half
1. 3 answers
2. asked by sam
3. 2,144 views
1.)Find the exact solution algebriacally, if possible:(PLEASE SHOW ALL STEPS) sin 2x - sin x = 0 2.) GIVEN: sin u = 3/5, 0 < u <
1. 3 answers
2. asked by MAKITA
3. 1,057 views
What are the double angle formulas for csc and sec?
1. 2 answers
2. asked by Alex
3. 617 views
Use double angle formulas to evaluate exact measures ofa) sin(π/12) b) cos(3π/8)
1. 5 answers
2. asked by itzy
3. 264 views
How do I find the indefinite integral of h(u)=sin^2(1/5u) this is one fifth u. Does it involve double angle formulas? Thanks.
1. 0 answers
2. asked by mary
3. 910 views
Use the sum, difference, double or half-angle formulas to find the exact value of 𝑡𝑎𝑛(75°).
1. 3 answers
2. asked by h
3. 382 views
Given that sin (pi/10)=(sqrt(5)-1)/4, use double-angle formulas to find an exact expression for sin(pi/5).
1. 1 answer
2. asked by Victoria
3. 2,024 views
Simplify (double angle formulas)a) cos3xcos2x + sin3xsin2x b) 2cos^2 pi/6 - 1 c) 1 - 2sin^2 pi/12
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2. asked by anon
3. 211 views