For number 7 the answer should be 20%. 10 is 50% and the other 6 is 30%.
Answer:
180 degrees clockwise for fir part and sec i think is counterclockwise of 90 degreees
Step-by-step explanation:
B. 2
if any other number was in there i dont think it would work because its neg
Answer:
152°
Step-by-step explanation:
Let P be any point on tangent
and WY is secant or chord of the
.
NOW, by tangent secant theorem:

Answer:
see explanation
Step-by-step explanation:
Using the sum/ difference → product formula
cos x - cos y = - 2sin(
)sin (
)
sin x - sin y = 2cos (
)sin (
)
Given
(cosA - cosB)² + (sinA - sinB )²
= [ - 2sin(
)sin(
) ]² + [ 2cos(
)sin(
) ]²
= 4sin² (
)sin² (
) + 4cos² (
)sin² (
)
= 4sin² (
)[ sin² (
) + cos² (
) ← sin²x + cos²x = 1
= 4sin² (
) × 1
= 4sin² (
) = right side ⇒ proven