If cos(θ) = -0.5 and angle θ is in quadrant 2, what are the values of sin(θ) and tan(θ)

Q: if sin theta= 0 and cos theta = 1, then theta = ?

A: Refer to the question , sin theta= 0 and cos theta = 1

Q: Suppose θ is an angle such that cos θ =3/4 Evaluate cos(2θ).

A:

Q: The terminal side of angle intersects the unit circle in the first quadrant at x = . What are the…

A: Given that the terminal side of angle θ intersects the unit circle in thefirst quadrant at x=25.Our…

Q: Consider a right triangle with two other angles A and B.  Find the value of sin (A) if cos (A)=3/5?

A:

Q: Suppose that sin α = 3/5 and cos β = - 12/13 for quadrant II, angles α and β. Find the exact value…

A: In the 2nd quadrant only sine and cosecant is positive and all other trigonometric functions are…

Q: cos(?), sin(?); ? in Quadrant III

A: in the 3rd quadrant sin and cos will be negative

Q: Suppose that cos 0 = 0.7 and 0 is %3D an angle in Quadrant IV. Find tan 0 rounded to 4 decimal…

A:

Q: If tan θ= 2/3, find an exact value for sin θ. Include a diagram.

A: The objective is to find an exact value for sin θ.

Q: Sketch the angle and write the sec and tan of the angle if the terminal side of the angle passes…

A: NOTE: Refresh your page if you can't see any equations. . the given point is so here we have

Q: Determine the reference angle of θ = 31π/6 and find the value of sin²θ + cos²θ. Kindly note that…

A: Given, θ = 31π/6 Where θ lies in 3rd quadrant where sinθ & cosθ is negative

Q: Suppose that sin α = 4/5 for a quadrant II angle α and sin β = 1/2 for a quadrant I angle β. Find…

A: Given that,  sinβ=12 Since in quadrant I, sine and cosine are positive. And,…

Q: Given θ = 990° Sin = Sec = Tan =

A:

Q: cos cos 0 = 0

A: We have to find angle

Q: (2) If cos(0) = and sin(0) = which quadrant does the angle belong to? Explain your answer in at most…

A: Given; Cos(theta)=40/41,  Sin(theta)=-9/41

Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.