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use the appropriate trig identity
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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asked by
raychael
606 views
Use the identity sin^2x+cos^2x=1 and the fact that sin^2x and cos^2x are mirror images in [0,pi/2], evaluate the integral from
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asked by
Andre
585 views
Use the identity sin^2x+cos^2x=1 and the fact that sin^2x and cos^2x are mirror images in [0,pi/2], evaluate the integral from
1 answer
asked by
Rostrastics
642 views
Hello, I need help with solving these trig identities. All help is appreciated!
1. Establish the Identity: (cos(2x)/1+sin(2x)) =
2 answers
asked by
Kam
598 views
Suppose sin(4) -
Use the trig identity sinĀ² (A) + cos2 (4) - 1 to find cos(4) in quadrant I. Show all steps and round to
1 answer
137 views
Prove the trig identity
cos(4x)=2-sec^2(2x)/sec^2(2x)
1 answer
asked by
kristina
430 views
HELP!!!! I don't know how to do the trig identity with this problem
csc^4 x-cot^4x= Csx^2 x + cot^2x
1 answer
asked by
Quetzally
1,171 views
how do you solve this trig identity? i don't get it at all!
cos(a+b)cos(a-b)=cos^2a-cos^2b-1
1 answer
asked by
sakura
544 views
Trig Identity Prove:
cos(x+y)cos(x-y)=cos^2(x)+cos^2(y)-1
1 answer
asked by
Halle
604 views
Prove This trig identity cos/1-tan +Sin/1-cot = Sin +Cos
1 answer
141 views