Look at picture! Trig, lots of points, thank you

a is the correct answer

Step-by-step explanation:

Period is time taken to complete one full cycle so the wave completes it's full cycle at π.

Hope it helps :)

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d