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Популярные задачи

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Популярные задачи Тригонометрия

tan(θ)= 4/3 ,cos(θ)<0	tan(θ)=43 ,cos(θ)<0
cot(x)=(sin(x))/(cos(x))	cot(`x`)=sin(`x`)cos(`x`)
0.6=(cosh(0.2m))/(cosh(0.4m))	0.6=cosh(0.2`m`)cosh(0.4`m`)
12cos(2x)+5sin(x)-9=0	12cos(2`x`)+5sin(`x`)−9=0
sin(x)= 4/8	sin(`x`)=48
csc(a)=-1	csc(`a`)=−1
sin^2(x/2)= 1/(2-(1/2 sin(x/2)))	sin²(`x`2 )=12−(12 sin(`x`2 ))
cos(x)-cos(x+pi/4)=0	cos(`x`)−cos(`x`+π4 )=0
cos(x)=0.7597	cos(`x`)=0.7597
cos(3x)=-3cos(x)	cos(3`x`)=−3cos(`x`)
cos(x)= 280/2000	cos(`x`)=2802000
4cos(θ)=sqrt(2)+2cos(θ)	4cos(θ)=√2+2cos(θ)
solvefor x,T(6)=3.15cos(pi/6 x)+19.15	`solvefor` `x`,`T`(6)=3.15cos(π6 `x`)+19.15
3tan^2(x)=1,-pi<= x<= pi	3tan²(`x`)=1,−π≤ `x`≤ π
cos(2t)-cos(t)=0.5	cos(2`t`)−cos(`t`)=0.5
0=-6csc(x)cot(x)	0=−6csc(`x`)cot(`x`)
0.08=0.12cos^2(3.922t)	0.08=0.12cos²(3.922`t`)
(15)/(sin(32))=(12)/(sin(b))	15sin(32^◦) =12sin(`b`)
(sin(x))/(25)=(sin(125))/(165.6)	sin(`x`)25 =sin(125^◦)165.6
2cos(3θ)-1=0	2cos(3θ)−1=0
cos(4x)=cos(8x)	cos(4`x`)=cos(8`x`)
cos(2x)-cos(x)=2	cos(2`x`)−cos(`x`)=2
4sin(2x)+2sqrt(3)=0	4sin(2`x`)+2√3=0
solvefor x,3=18cos(x)	`solvefor` `x`,3=18cos(`x`)
solvefor x,2sin((pi(x-2))/6)=1	`solvefor` `x`,2sin(π(`x`−2)6 )=1
(1-sin(x))(1-sin(x))=cos^2(x)	(1−sin(`x`))(1−sin(`x`))=cos²(`x`)
2cos(x)=cos^2(x)-1	2cos(`x`)=cos²(`x`)−1
2sin(v)csc(v)-csc(v)=4sin(v)-2	2sin(`v`)csc(`v`)−csc(`v`)=4sin(`v`)−2
2cos(2x)=4cos(x)	2cos(2`x`)=4cos(`x`)
(sin(42))/(22)=(sin(B))/(12)	sin(42^◦)22 =sin(`B`)12
sin(θ)= 16/14	sin(θ)=1614
tan(θ)= 83/47	tan(θ)=8347
solvefor x,2sin(x)-cos(x)sin(x)=0	`solvefor` `x`,2sin(`x`)−cos(`x`)sin(`x`)=0
5=5sin(4θ)	5=5sin(4θ)
cos(x)=(cos(x))/(csc(x))	cos(`x`)=cos(`x`)csc(`x`)
cos(θ)= 1/(sqrt(1^2+(4)^2+8^2))	cos(θ)=1√1²+(4)²+8²
2+3cot^2(x)-3csc(x)=5	2+3cot²(`x`)−3csc(`x`)=5
-2=-2+tan(θ)	−2=−2+tan(θ)
cos(A)=0.65	cos(`A`)=0.65
sin(3x-pi/4)=(sqrt(2))/2	sin(3`x`−π4 )=√22
sin(2θ)=(-3)/4 ,(3pi)/2 <= 2θ<= 2pi	sin(2θ)=−34 ,3π2 ≤ 2θ≤ 2π
3sqrt(cot(x-10))=4	3√cot(`x`−10^◦)=4
2.4638cos(x)=2.5843	2.4638cos(`x`)=2.5843
tan^2(x)=2tan(x)+2tan^3(x)	tan²(`x`)=2tan(`x`)+2tan³(`x`)
solvefor t,cos(wt+k)=(20)/((2pif)^2)	`solvefor` `t`,cos(`wt`+`k`)=20(2· π· `f`)²
0=-cos(x)(2sin(x)+3)	0=−cos(`x`)(2sin(`x`)+3)
28cos(t)=20,0<= t<360	28cos(`t`)=20,0^◦≤ `t`<360^◦
8tan(x/2)+8cos(x)tan(x/2)=1	8tan(`x`2 )+8cos(`x`)tan(`x`2 )=1
sin(a)=0.5937	sin(`a`)=0.5937
tan(x)= 18/25	tan(`x`)=1825
sin^2(x)= 3/2	sin²(`x`)=32
1.5=1+sin(x/3)	1.5=1+sin(`x`3 )
sqrt(3)*tan(x)+2sec(x)=1	√3· tan(`x`)+2sec(`x`)=1
cos^2(a)=2cos^2(a)-1	cos²(`a`)=2cos²(`a`)−1
tan(3b+14)=cot(5b+4)	tan(3`b`+14)=cot(5`b`+4)
(2sin(x)-cos(x))(1+cos(x))=sin^2(x)	(2sin(`x`)−cos(`x`))(1+cos(`x`))=sin²(`x`)
sec^2(x)+2tan^2(x)=2	sec²(`x`)+2tan²(`x`)=2
sin(x^2-2x)=0	sin(`x`²−2`x`)=0
8sin^2(x)+4cos^2(x)=7	8sin²(`x`)+4cos²(`x`)=7
10cos^2(x)+cos(x)=11sin^2(x)-9	10cos²(`x`)+cos(`x`)=11sin²(`x`)−9
sin(6.5x+2.5)=0.0851	sin(6.5`x`+2.5)=0.0851
1-tan(x)=(-1)/3	1−tan(`x`)=−13
sin(x/3)=cos(x/2)	sin(`x`3 )=cos(`x`2 )
cos(x)=(cot^2(x))/(csc^2(x))	cos(`x`)=cot²(`x`)csc²(`x`)
2tan^2(x)-3cot^2(x)=5	2tan²(`x`)−3cot²(`x`)=5
solvefor x,13y=cos^4(1-2x)	`solvefor` `x`,13`y`=cos⁴(1−2`x`)
cos(x)+cos^2(x)+cos^3(x)=0	cos(`x`)+cos²(`x`)+cos³(`x`)=0
cos(x)-sin(x)= 1/((sin(x)))-1/((cos(x)))	cos(`x`)−sin(`x`)=1(sin(`x`)) −1(cos(`x`))
sin^2(x)+cos^5(x)=2	sin²(`x`)+cos⁵(`x`)=2
16=4+9-12cos(x)	16=4+9−12cos(`x`)
tanh(z)+2=0	tanh(`z`)+2=0
cos^2(a)= 2/(3sin(a))	cos²(`a`)=23sin(`a`)
5cos(5x)=2	5cos(5`x`)=2
4sin(x)-sin^3(x)-1=0	4sin(`x`)−sin³(`x`)−1=0
1-tan(a)=(-1)/3	1−tan(`a`)=−13
tan^2(x)+cos^2(x)-1=0	tan²(`x`)+cos²(`x`)−1=0
cot^3(x)+cot(x)=0	cot³(`x`)+cot(`x`)=0
21+18cos(x)=16(1-cos^2(x))	21+18cos(`x`)=16(1−cos²(`x`))
sin(2a+10)=cos(3a-20)	sin(2`a`+10)=cos(3`a`−20)
b= 3/((cot(x)))	`b`=3(cot(`x`))
4sin^2(x)+cos(x)+1=0	4sin²(`x`)+cos(`x`)+1=0
(cot^2(x))-csc(x)=1	(cot²(`x`))−csc(`x`)=1
solvefor x,u=arctan(x/y)	`solvefor` `x`,`u`=arctan(`xy` )
4cos^2(2x-1)=1	4cos²(2`x`−1)=1
sin^2(x)-2cos^2(x)+cos^2(x)=0	sin²(`x`)−2cos²(`x`)+cos²(`x`)=0
sqrt(3)*sin(x)=cos(x)	√3· sin(`x`)=cos(`x`)
sin^{22}(x)sin^3(x)+6=18	sin²²(`x`)sin³(`x`)+6=18
d^2+4d+4=sin(x)	`d`²+4`d`+4=sin(`x`)
8cos(a)-15sin(a)=0	8cos(`a`)−15sin(`a`)=0
tan(t)= 3/(tan(t))	tan(`t`)=3tan(`t`)
tan(-x)=tan(2x+1)	tan(−`x`)=tan(2`x`+1)
(2cos(x)-sin(x))(1+sin(x))=cos^2(x)	(2cos(`x`)−sin(`x`))(1+sin(`x`))=cos²(`x`)
sin(6x)cos(9x)-cos(6x)sin(9x)=-0.4	sin(6`x`)cos(9`x`)−cos(6`x`)sin(9`x`)=−0.4
sin^2(x)=2tan^2(x)	sin²(`x`)=2tan²(`x`)
cos^3(x)=cos(2x+x)	cos³(`x`)=cos(2`x`+`x`)
solvefor x,(d^2-3d+2)y=sin(e^x)	`solvefor` `x`,(`d`²−3`d`+2)`y`=sin(`e`^x)
cos(6x)+cos(2x)=0	cos(6`x`)+cos(2`x`)=0
2sin^2(45-a)=1-sin^2(a)	2sin²(45^◦−`a`)=1−sin²(`a`)
(2cos(a)+1)(2cos(a)-1)=2cos^2(a)+1	(2cos(`a`)+1)(2cos(`a`)−1)=2cos²(`a`)+1
tan^2(x)cot(x)=1	tan²(`x`)cot(`x`)=1

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