khanhhuyenn152 khanhhuyenn152

25-07-2021
Mathematics

contestada

: Đẳng thức nào sau đây đúng ?
A. cos4x – sin4x = 2-cos2x B. cos4x – sin4x = 1+2sin2x

Respuesta :

ani3946 ani3946

25-07-2021

Step-by-step explanation:

A. cos4x-sin4x=2-cos2x

Answer Link

Otras preguntas

whats evaluated at the g2 checkpoint in mitosis and meiosis a.that the cell is large enough to support division b.that growth hormones are aligned and ready to

The Travels of Marco Polo focused on the exploration of Marco Polo in Which part of the world? A. Asia B. North America C. South America D. Africa

If 5 x 6 = 20 + y, what is the value of y?

Need urgent help, will give brainliest. A bag has more green balls than blue balls, and there is at least one blue ball. Let b represent the number of blue ball

Sydney needs 70cm of feinge for each scarf she makes. How many scarves can she make if she has 6 meters of fringe?

Which is a characteristic of an epic A.short B. Vast setting C. Focuses on simple daily life event D. Written with a casual tone

Ellos__ todas las películas que han visto porque nunca van al cine. A. Han alquilado b. Han hecho c. Han capturado d. Han dicho

Do you trust joe starks? Do you think he will be different than Janie's first husband? Why or why not ?

When scientists are ready to publish the results of their experimentation, why is it important for them to inclue a description of the procedures they used? A.

Alana drew a diagram to compare the life cycles of low-mass and high-mass stars. Which labels belong in the areas marked X, Y, and Z? A.) X: Nuclear fusion form