What is sec^2 81degrees - tan^2 81degrees

Q: Let P(x,y) denote the point where the terminal side of an angle θ meets the unit circle. If P is in ...

A: Let\'s use Pythagoras theorem to solve. Where 15/17 is leg and 1 is hypotenuse measure.Let\'s solve ...

Q: Please explain the solution in a clear manner, step by step.

A: We have to find measure of angle A in degree.We have made a right angle triangle by joining the poin...

Q: How to graph y=tan(4x) step by step?

A: The standard form of a tangent function is,

Q: sin2x+sin2xcot2x

A: We have been given a trigonometric expression that we need to simplify.

Q: Part (a) and part (b)

A: Given values of the trigonometric ratios are 

Q: prove identy show steps sinx/1-cosx  - 1/sinx = cotx

A: To prove the given identity, we are taking left hand side,

Q: 6 sin(x) + 2 cos(x) = 0

A: We are given trigonometric equation as 

Q: Find the amplitude ,the vertical asymptotes in radian ,the phase shift in radians ,the vertical shif...

A: The amplitude measures the highest y-coordinate (in absolute value) .  The given function is basical...

Q: If triangle ABC, a = 10, b = 10, and c = 40 degree. what is the value of c?

A: Given the sides of the triangle a = 10, b = 10 and angle C = 40°.