EvelynMik
EvelynMik EvelynMik
  • 03-11-2016
  • Mathematics
contestada

1+sin^2 x = 2-cos^2 x

Respuesta :

Аноним Аноним
  • 03-11-2016
1+sin²x=2-cos²x
Remenber:   sin²x+cos²x=1      ⇒sin²x=1-cos²x
 
1+sin²x=1+(1-cos²x)=2-cos² x       (this is true)

Answer Link

Otras preguntas

1.4 Determine the area of the base of the tin in square meters You may us the formula: A = πr² Hint: radius = half of diameter π = 3,142 1.5 Determine the area
Last week, a dairy farm produced m kg of cheese. The dairy farm also produced 28 kg more yogurt than cheese and 3 times as much ice cream as cheese. The dairy f
Four factors that lower one’s self esteem ?
- Shreya said,"I was playing tennis when the accident occurred." change into indirect speech​
The perimeter of a rectangle is 80x. The base is two times the height. In terms of x what are the dimensions of the rectangle
Which of the following statements about risks of investing in variable life funds is TRUE?
A model of a dinosaur skeleton was made using a scale of 1 in : 15 in in a museum. If the size of the dinosaur's tail in the model is 8 in, then find the actual
WILL GIVE BRAINLIEST IF FAST!! GIVE GOOD REVIEWS FOR CORRECT ANSWERS!
Significant sea level changes can be traced to changes in the
The Antarctic Treaty divides the continent into how many zones? 1) Four 2) Six 3) Eight 4) Ten