Hello, I am having trouble with the following problem: If A and B are both acute angles and sin(A)=6/13 and cos(B)=48/49 find the value of cos9-A)-sin(-B). Write the answer as a simplified...

Hello, I am having trouble with the following problem: If A and B are both acute angles and sin(A)=6/13 and cos(B)=48/49 find the value of cos9-A)-sin(-B). Write the answer as a simplified...

If sin(x) = 1/8 and x is in quadrant I, find the exact values of the expressions without solving for x. a) sin(2x) b) cos(2x) c) tan(2x)

This is for my trig class, thanks for the help! If you could, could you please show all your work? Thanks again!

If the graph of y = sin(x) is shifted __?____ units left, the graph of y = cos(x) is obtained.

Please help me answer the following question! I'm stuck! Prove that cos6ß + sin6ß = 1/4 + 3/4cos2ß I've tried simplifying out the LHS into (cos2ß)3 + (sin2ß)3,...

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

trigonometry

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).

y=-5 sin(2x)

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...

sin 450°, cos(-780°), and tan (37π/6)

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

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,...

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 =...

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

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...