If sin θ = 2 over 3 and tan θ < 0, what is the value of cos θ?
Asked by maham237 @ in Mathematics viewed by 326 People
square root 5 over 2
negative square root of 5
square root of 5 over 3
negative square root of 5 over 3
Answered by maham237 @
If sin Θ is positive and tan Θ is negative, then the angle should be in the second quadrant using the rule of thumb. In this case, cos Θ is expected to be negative. Using the calculator, the answer is -0.7454. This is equivalent to option D. negative square root of 5 over 3
Similar Questions
If cos θ = square root 2 over 2 and 3 pi over 2 < θ < 2π, what are the values of sin θ and tan θ?
Asked by maham237 @ in Mathematics viewed by 402 persons
Sin 2 sin 3 2 cos 3 cos tan
Asked by admin @ in Math viewed by 311 persons
Prove that : sin a - 2sin^3 a / 2cos^3 + cos a = tan a
If cos θ = negative 4 over 7, what are the values of sin θ and tan θ?
Asked by maham237 @ in Mathematics viewed by 291 persons
If tan x° = and cos x° = , what is the value of sin x°?
Asked by maham237 @ in Mathematics viewed by 355 persons
If tan x°= a divided by 4 and cos x°=4 divided by b, what is the value of sin x°?
A.) sin x°= 4b
B.) sin x°=b divided by a …
1 sin 2 theta 3 sin theta cos theta
Asked by admin @ in Math viewed by 310 persons
If 1+sin^2 theta=3 sin theta cos theta then prove that tan theta=1 or 1/2
Solve cos tan 1 x sin cot 1 3 4
Asked by admin @ in Math viewed by 390 persons
Solve the following equation for x:cos(tan-1 x )=sin(cot-1 3/4)
Cos tan inverse x sin cot inverse 3 4
Asked by admin @ in Math viewed by 431 persons
Solve cos(tan inverse x) = sin(cot inverse 3/4)
The maximum value of sin x cos x is
Asked by admin @ in Math viewed by 454 persons
What is the maximum value of sinxcosx.
The greatest value of sin x cos x is
Asked by admin @ in Math viewed by 314 persons
The greatest value of sin x cos x is
Cos tan 1 x sin cot 1 3 4
Asked by admin @ in Math viewed by 298 persons
Solve the following equation for x:cos(tan-1 x )=sin(cot-1 3/4)
1 sec tan 1 sec tan 1 sin cos
Asked by admin @ in Math viewed by 320 persons
1/sec+tan=1-sin/cos prove
Cos x sin x tan x sec x
Asked by admin @ in Math viewed by 389 persons
Prove that tan(x)sin(x) +cos(x) = sec(x)
If sin theta 1 3 then cos theta will be
Asked by admin @ in Science viewed by 299 persons
If sin theta is equal to 1 by 3 then cos theta will be
Cos sin 1 3 5 cot 1 3 2
Asked by admin @ in Math viewed by 294 persons
Provethat cos(sin-1 3/5 + cot-1 3/2) = 6/5 root 13
Sin theta 1 cos theta tan theta 1 cos theta
Asked by admin @ in Math viewed by 346 persons
Prove that sin theta/1-cos theta + tan theta/1+cos theta=sec theta *cosec theta + cot theta
Most viewed questions in Mathematics
Unit 6 similar triangles homework 2 similar figures answer key
Asked by maham237 @ in Mathematics viewed by 18341 persons
All things algebra unit 7 polygons and quadrilaterals answer key
Asked by admin @ in Mathematics viewed by 8139 persons
Gina wilson all things algebra 2016 answer key unit 11
Asked by admin @ in Mathematics viewed by 5764 persons
Unit 1 geometry basics homework 4 angle addition postulate answers
Asked by maham237 @ in Mathematics viewed by 3929 persons
Unit 6 exponents and exponential functions homework 8 answer key
Asked by maham237 @ in Mathematics viewed by 3246 persons
The manager of a vacation resort believes that the ages
Asked by maham237 @ in Mathematics viewed by 2918 persons
What is 271 403 rounded to the nearest ten thousand
Asked by maham237 @ in Mathematics viewed by 2780 persons
Unit 1 geometry basics homework 3 angle relationships answer key
Asked by maham237 @ in Mathematics viewed by 2572 persons
Why would a prism beat a sphere in a competition?
Asked by maham237 @ in Mathematics viewed by 2473 persons
An artist sells a painting for 20.50 but uses 5.75
Asked by maham237 @ in Mathematics viewed by 2423 persons
Unit 4 congruent triangles homework 1 classifying triangles answer key
Asked by maham237 @ in Mathematics viewed by 2413 persons
Unit 4 congruent triangles homework 2 angles of triangles
Asked by maham237 @ in Mathematics viewed by 2068 persons
Compare the values of the 2s and 5s in 55220
Asked by maham237 @ in Mathematics viewed by 1788 persons