ferikgeo ferikgeo
  • 11-08-2018
  • Mathematics
contestada

prove the following 1- sin A sin (90-1)/cot (90-a)= sin^2 A

Respuesta :

Аноним Аноним
  • 11-08-2018

Im going to assume its (90 - A) so we have:-

1 - sinA sin (90 - A) / cot (90 - A)

Convert to sines and cosines:-

= 1 - (sin A cos A) / cos ( 90 - A) / sin ( 90 - A)

= 1 - (sin A cos A) / sin A / cos A

= 1 - cos^2 A

= sin^2 A which is what is required.


Answer Link

Otras preguntas

Which of the following is a consumer right per the consumer bill of rights? 1. Right to know 2. Right to return 3. Right to profit 4. Right to sanity
The rider tugged on the _______ of her horse to make him slow down.
Which of the following is a mixture?
Why did farmers oppose the good standard?
If {3,4,5} is the domain of function f:x --> 2x-1, find the range. ​
please help me with these 2 questions will give brainly! 1 . Which integer represents the following: –(–28)? 28 -28 2. Which integer represents the following: –
¿Cuánto medía Cristina cuando nació? 45 kilogramos 45 metros 45 centímetros 45 horas
What suggestion does the author make about her main characters' future at the end of the story? O A They will fire their maid and learn to cook for themselves.
The orchard just sold 72 apples, which is 12% of the total number of apples they put up for sale. How many apples did they put up for sale?
You are working for a company that creates special magnetic environments. Your new supervisor has come from the financial side of the organization rather than t