Answered

IDNLearn.com is committed to providing high-quality answers to your questions. Get prompt and accurate answers to your questions from our experts who are always ready to help.

Help With This Algebra Question

Help With This Algebra Question class=

Sagot :

Sqdancefanidn

9514 1404 393

Answer:

  (d) ±√15/4

Step-by-step explanation:

Useful trig identities are ...

  cos(x) = 1/sec(x)

  sin(x) = ±√(1 -cos²(x))

__

Using these, we see that ...

  sin(θ) = ±√(1 -(1/sec²(θ))) = ±√(sec²(θ) -1)/sec(θ)

  sin(θ) = ±√(4² -1)/4 = ±√15/4

We are delighted to have you as part of our community. Keep asking, answering, and sharing your insights. Together, we can create a valuable knowledge resource. IDNLearn.com has the answers you need. Thank you for visiting, and we look forward to helping you again soon.