neilvarghese7 neilvarghese7

12-02-2021
Mathematics

contestada

prove that sec^2θcosec*2θ-2-cot^2θ=tan2θ

Respuesta :

12-02-2021

Answer:

Step-by-step explanation:

I think you mean tan^2θ, not tan2θ.

Use the trigonometric identities

secθ = 1/cosθ

cscθ = 1/sinθ

tanθ = sinθ/cosθ

sin²θ = 1-cos²θ

cos²θ = 1-sin²θ

Ver imagen DWRead

Answer Link

Otras preguntas

A person sees a ball and kicks it, in part because of actions of the nervous system. Using the parts of the nervous system listed bellow, describe the path of n

What is the 50th term of the arithmetic sequence 4, 10, 16, 22, … ? Can someone explain this one?

What military strategy defeated cornwallis at yorktown?

What military strategy defeated cornwallis at yorktown?

You are standing 1 meter from a squawking parrot. If you move to a distance three meters away, the sound intensity will be what fraction of its original value?

names is often given to the journey of africans who were brought to the americas as slaves?

Video club A charged $10 for membership and $3 for movie rental. Video Club B charges $15 for membership and $2 per movie rental. For how many movie rentals wil

how do you model the square root of 16

How far does Franklin Roosevelt deserve his reputation as one of the greatest US presidents?

why a flat surface of a rectangular prism called faces?