At Westonci.ca, we connect you with the best answers from a community of experienced and knowledgeable individuals. Experience the ease of finding reliable answers to your questions from a vast community of knowledgeable experts. Discover detailed answers to your questions from a wide network of experts on our comprehensive Q&A platform.

find cos(2θ) if tan(θ) = -3/4 and 90 < θ < 180

Sagot :

Answer:

9

Step-by-step explanation: