mathew9999
Answered

Welcome to Westonci.ca, where you can find answers to all your questions from a community of experienced professionals. Explore comprehensive solutions to your questions from a wide range of professionals on our user-friendly platform. Our platform provides a seamless experience for finding reliable answers from a network of experienced professionals.

what's the name of this communicate
sin2a+cos2a=1​

Sagot :

tasu

Answer:

sin2A +cos2A=1. Its a standard identity.

We know that sinA= H B

--- and cos A=----

P H

Hence sin² A= P² B²

----- and cos²A -----

H² H²

Hence adding the above given functions sin²A+cos²A we get

H²

sin²A+cos²A = -------- =1

H²

Using P² +B²=H² by Pythagoras Theorem

Thank you for visiting. Our goal is to provide the most accurate answers for all your informational needs. Come back soon. We appreciate your time. Please come back anytime for the latest information and answers to your questions. Stay curious and keep coming back to Westonci.ca for answers to all your burning questions.