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

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

We are supposed to evaluate and give answer in radians.

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

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

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

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.

Billy plants a new tree and attaches a rope to help support the tree while its roots take hold. He attached an 8ft rope to the tree and to a stake in the ground. From the stake in the ground the angle...

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

sin2∏/5 cos3∏/20 + cos3∏/5 sin3∏/20

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

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

please help!

find all solutions for 2-3 sin t = 1 rounded to 5 decimal places

find all the solutions for cos x = -1/8

If 0 in not in Quadrant I and sec 0 = sqrt 2, find 0 in degrees

If angle w is in quadrant III and cos w =a, what is cos(w+pi)?

Prove the identity cot 0+1/cot 0 = 1+tan0