Let , (2,-3) be a point on the terminal side of θ . Find the exact values of sinθ , secθ , and tanθ .

Let , (2,-3) be a point on the terminal side of θ . Find the exact values of sinθ , secθ , and tanθ .

Find limit -> 0 of: sec x − cos x 3x2 How can I solve that?

graph tan((pi/2)+x) , Graph the expression in a window [−2π,2π, π /2] by [−5,5,1]. Choose the correct graph below.

We are supposed to evaluate and give answer in radians.

sin2∏/5 cos3∏/20 + cos3∏/5 sin3∏/20

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,...

[1 - cos∅/√(n²-sin²∅)]where n is constant and ∅ is very small angle.

it is a right triangle and it is only given the 90 degree angle and the other two angles are not shown. Also the hypotenuse is 7 to the square root of 2. You have to solve for the other two sides...

cos^2(theta)+8cos(theta)+5=0 Answer in degrees

This is my work. tanx = -2sinx sinx/cosx = -2sinx sinx = -2sinxcosx (multiply by cosx) 1 = -2cosx (divide...

I am having trouble with knowing where to start this problem and my professor is online professor so I can't ask the questions without being through email and it is hard to communicate.

Find the angle between the hour hand and minute hand of a clock at 20 minutes past 11 in radian.

use addition identity to find the exact value of sin 75°

a. Find how far east point B is from A b. Find how far east point C is from A c. Find how far south point C is from A

the number of all possible ordered pairs (x,y),x,y belongs to R satisfying the system of equations x+y=2pi/3,cosx +cosy=3/2

Verify the identity tan 0 ( tan 0 + cot 0 ) = sec^2 0

use a half angle identity to find the exact value of tan 45°

A 10ft diameter wheel spins at 50 rpm. What is the angular velocity of the edge of the wheel?

A 10ft diameter wheel spins at 50 rpm. What is the velocity at the edge of the wheel in feet per second?

Given tanθ=u and θ is in quadrant I Show that sinθ = u/√i+u^2