Mathew9999idn
Answered

IDNLearn.com is designed to help you find accurate answers with ease. Ask your questions and get detailed, reliable answers from our community of knowledgeable experts.

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

Sagot :

Tasuidn

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

We greatly appreciate every question and answer you provide. Keep engaging and finding the best solutions. This community is the perfect place to learn and grow together. Find reliable answers at IDNLearn.com. Thanks for stopping by, and come back for more trustworthy solutions.