The answer is 4+5+6=15.Hope that helps. :)
Answer:
H. 2
Step-by-step explanation:
√(1 − cos² x) / sin x + √(1 − sin² x) / cos x
Use Pythagorean identity.
sin² x + cos² x = 1
So:
1 − cos² x = sin² x
and
1 − sin² x = cos² x
Substitute:
√(sin² x) / sin x + √(cos² x) / cos x
sin x / sin x + cos x / cos x
1 + 1
2
The answer is 84 because 21 times 4 equals 84
Answer:
(2x+3)(x+1)
Step-by-step explanation:
Answer:
The answer is A
Step-by-step explanation:
Traingle ABC is congruent to traingle EFD by hl rule
