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2sin(4x)[(cos(3/2)x)(cos(5x/2)-sin((15/4)x)]+x can someone simplify this
2sin(x)cos(x)+cos(x)=0
I'm looking for exact value solutions in [0, 3π] So I need to find general solutions to solve the
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Alex
908 views
Verify the identities.
Cos^2x - sin^2x = 2cos^2x - 1 When verifying identities, can I work on both side? Ex. 1 - sin^2x - sin^2x
1 answer
asked by
Shadow
642 views
Simplify the expression
(sin^2(t)-2sin(t)+1)/(sin(t)-1)
2 answers
asked by
anonymous
396 views
simplify the expression 2sin^2 t + cos^2 t-2
1 answer
asked by
Angela
453 views
y= 2sin^2 x
y=1- sinx find values of x inthe interval 0<x<360 if 2sin^x = 1-sinx this can be arranged into the quadratic. 2sin^2
0 answers
asked by
Candy
650 views
2sin(4x)[(cos(3/2)x)(cos(5x/2)-sin((15/4)x)]+x
can someone simplify this using trig identities?
1 answer
asked by
Brianna
490 views
1. 3cot^2 (x) - 1 = 0
My answer: pi/3, 2pi/3, 4pi/3, 5pi/3 2. 4cos^2 (x) - 1 = 0 My answer: pi/3, 2pi/3, 5pi/3, 4pi/3 3. 2sin (x)
2 answers
asked by
Wanda
1,234 views
simplify: (2sin(2pie/7))/(3cos(3pie/14)
2 answers
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Aya
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simplify 2sin(pi/6)2cos(pi/6) to an expression of the form (a sin(theta))
1 answer
asked by
Calie
285 views
Given that y=t^2sin^-1t find the derivative of the function y (Why is the answer 2sin^-1+t/square root of (1-t^2) and not
3 answers
asked by
Maryanne
145 views