Hello,
In order to exist ,k>=0
1) sin (180°+x)=-sin (x) ==>sin(203°)=-√k
2) cos² x +sin² x=1==>cos x=√(1+sin² x)=√(1+k)
3)tan (-x)=-tan (x) =-sin (x)/cos (x) =- √k/√(1+k)=√(k/(1+k))
Answer:
One training card costs 0.21 cents.
Step-by-step explanation:
5.25 ÷ 25 = 0.21
Answer:
The answer is C.
Step-by-step explanation:
Answer:
(-7.5, 3.5)
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
A rhombus is a special parallelogram with 4 congruent sides, so the answer is A
