Change the y to w the app didnt have the letter w so i just had to choose another letter
Answer:
23
x^
4
y^
7
Step-by-step explanation:
Answer:
see explanation
Step-by-step explanation:
Using the trigonometric identities
cot A =
, tanA =
, cscA =
, secA = 
Consider the right side

= 
= 
=
× sinAcosA ( cancel sinAcosA )
= cos²A - sin²A
= cos2A
= left side ⇒ verified