Answer:
The value of given trigonometrical expression is cos²x + sin²x = 1
Step-by-step explanation:
Given trigonometrical expression as :
( ) - sec x = tan x
Or, ( ) = tan x + sec x
or, ( ) = ( ) + ( )
or, ( ) = ( )
Now, cross multiplying both side
I.e (cos x) × (cos x) = ( 1 - sin x ) × ( 1 + sin x )
or, cos²x = 1 - sin² x
or, cos²x + sin²x = 1
So, Value of expression is cos²x + sin²x = 1
Hence The value of given trigonometrical expression is cos²x + sin²x = 1 answer
Answer:
x + 2
Step-by-step explanation:
f(x + 3) - g(x + 3)
= 2(x + 3) - 3 - (x + 3 - 2)
= 2x + 6 - 3 -(x + 1)
= 2x + 3 - x - 1
= x + 2
Step-by-step explanation:
a=110
b=110
c=70
d=70
e=110
f=70
g=110
Q20) c < 82-76
c < 6
Hope this helps