riri45
riri45 riri45
  • 03-02-2018
  • Mathematics
contestada

prove that siny tany +cosy=secy

Respuesta :

annastasia
annastasia annastasia
  • 03-02-2018
sinu x siny/cosy + cosy

= (sin^2 y + cos^2 y)/cosy

= 1/cosy

= secy
Answer Link

Otras preguntas

An example of a modern convergent boundary would be ________.
A girl learns that whenever her older brother shares his cookie with her, her mother gives him a piece of candy. the girl's learning is a demonstration of
if the price of an object dropped 25% down to $101.25, what was the original price?
Jerry participates in a variety of extreme sports, smokes weed, has gotten into bar fights, and occasionally involves himself in a burglary with friends. he pe
I don’t know this.can someone help me please
PLEASE HELP!!5 1 5.1 0.51 0.051If it is a geometric sequence choose the common ratio if it not a geometric sequence choose "not geometric"A. 0.1B. 10C. 0.451
the second stage of the writing process includes?
Is 5x a numerical expression or a Algebraic Expression?
Please answer this math problem
"twenty of the 100 digital video recorders​ (dvrs) in an inventory are known to be defective. what is the probability you randomly select an item that is not​ d