gennaallen482 gennaallen482
  • 16-03-2020
  • Mathematics
contestada

what is cos^2x (sec^2x - 1)

Respuesta :

sweetyhere
sweetyhere sweetyhere
  • 16-03-2020

Answer:

cos²x.sec²x =1 (formula)

cos and sec are reciprocal to each other

cos²x=1/sec²x

now from the eq above,open the brackets and multiply

1-cos²2x

sin²2x

Answer Link

Otras preguntas

Which of the following did NOT contribute to the Great Depression? (A) buying stocks on margin (B) consumer installment buying (C) underconsumption of goods (D)
wat are the names of flying mamoths
advantages and disadvantages of resonance
how old are you?. im taking a survey... thanks
Syah work as senior designer in creative design company. he is an imaginative person and always updates himself with the latest technology and software. and he
What is the difference between refraction and rarefaction?
Simplify (-2xy2)4(2x3y4)2
can someone please help me solve x + 0.018 = 9
Which is an equation of a circle with center (5, 0) that passes through the point (1, 1)? HELP ME PLEASE!! Answer Choices: A.) (x - 1)2 + (y - 1)2 = 17B.) (x +
divide and simplify 4/9÷8/15