6. Determine the exact value of cosA and tanA if sinA=7/4 and π/2≤A≤π a) cosA= ? b) tanA= ? 7. Find the exact value of
Posted: Thu Jul 14, 2022 3:58 pm
by answerhappygod
1 (25.89 KiB) Viewed 36 times
6. Determine the exact value of cosA and tanA if sinA=7/4 and π/2≤A≤π a) cosA= ? b) tanA= ? 7. Find the exact value of each a) sin(67π) b) tan(−415π) 8. Find the exact value of each (express in terms of π ) a) tan−1(−31) b) cos−1(−21)