trigonometry

trigonometry

Evaluate sin(sin-1(sin60)) [60 degrees] and evaluate cos-1(cos(cos-10.5)) if the angle is in quadrant 1.

Background information: nsin(1/n) diverges using the Test for Divergence. I was playing around on my calculator and I noticed that no matter what term number you use the output...

Angle θ is an angle in standard position and B(-3,4) is a point on the terminal side of the angle. Find the value of sin(θ).

As well as this one below. I'm just having trouble understanding the process and steps. Find all the solutions in [0,2pi) sin^2(t)-cos^2(t)=0 3. Solve...

y=-5 sin(2x)

sin 450°, cos(-780°), and tan (37π/6)

i really don't understand this question can someone help me 3. A scientist recorded the movement of a pendulum for 10 s. The scientist began recording when the pendulum was at its resting position...

sin((pi)/(6))cos((pi)/(3)) - sin((pi)/(3))cos((PI)/(6))

Solve the equation 2 sin(3θ)- √3=0, 0 ≤ θ< 2π

The sine and cosine functions are used to model periodic behavior. find an internet resource that discusses the periodic behavior.

In one part of the city, three roads form a right triangle, which Harley draws as triangle ABC, with the following measures: m∠B=90° and m∠A=30°. In his scale model, the hypotenuse of triangle ABC,...

If triangle JKL, sin L=1/3, sin J=3/5, and JK=√5 inches. What's the length of KL in inches?

What's the value of x if pi≤x≤3pi/2 and sin x=5 cos x?

(CosA-cosB)2 + (sinA-sinB)2 Can someone help me solve this? and what steps do we take ?

Match each sine value with an equivalent cosine value(s). sin(0) sin(pi/2) sin(pi) sin(3pi/2) ANSWER CHOICES cos(0)&cos(pi) cos(pi)&cos(3pi/2) c...

simply simplify the expression. i have to find out if my answer i have is right or wrong

I am modelling a graph in the form y = Asin(ωt +α) +c, but I have got stuck on calculating alpha. So far I have calculated... the central line is at y=100 A =...

I know how to use the half-angle formulas but I don't know how to find out which quadrant u/2 is in based off of what quadrant u is in.

Sin problem