Which statement is correct? A. cosine is the reciprocal of cosecant.
B. cosecant is the reciprocal of sine.
C. secant is the reciprocal of tangent.
D. cotangent is the reciprocal of secant.

B. Cosecant is the reciprocal of sine

Step-by-step explanation:

Well, this is where you have to remember your reciprocal identities in your trigonometric identities!

So:

- Cosecant is the reciprocal of sine

- Secant is the reciprocal of cosine

- Cotangent is the reciprocal of tangent

How I remember them is just the co is with the non-co (cosecant with sine (no co there) and cosine with secant. Tangent with cotangent is pretty easy to remember.)

I'll attach a picture for trig identities! Let me know if you have any further questions :)

$450.00 for 6 weeks

or

$300

step-by-step explanation:

$200.00 for first week $50.00 x5 equals $250 plus $200 equals $450.00 for six weeks.

$200 for first week

$200 x 0.10 = $20

$20 x 5 = $100

$200 + $100 = $300

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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rauschg

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step-by-step explanation: