2sin²theta - 3cos²theta 1/2tan²theta
Share
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
sinθ=cosθ
cosθsinθ=cosθcosθ
tanθ=1=tan45o
θ=45o
Therefore, 2tanθ+sin2θ−1=2tan45o+sin245o−1
=2×(1)2+(21)2−1=2+21−1=23.
Answer:
explanation :...