Answered

IDNLearn.com is your go-to resource for finding precise and accurate answers. Get step-by-step guidance for all your technical questions from our knowledgeable community members.

If sin12 = k determine cos24 in terms of k

Sagot :

LammettHashidn

Recall the double-angle identity,

sin²(x) = (1 - cos(2x)) / 2

Now if sin(12°) = k, then

k ² = sin²(12°) = (1 - cos(24°)) / 2

→   cos(24°) = 1 - 2k ²

Your engagement is important to us. Keep sharing your knowledge and experiences. Let's create a learning environment that is both enjoyable and beneficial. Discover insightful answers at IDNLearn.com. We appreciate your visit and look forward to assisting you again.