If cos θ = square root 2 over 2 and 3 pi over 2 < θ < 2π, what are the values of sin θ and tan θ?
Asked by maham237 @ in Mathematics viewed by 402 People
Asked by maham237 @ in Mathematics viewed by 402 People
Answered by maham237 @
Answer:
The answer is
Step-by-step explanation:
we know that
In this problem we have
so
The angle belong to the third or fourth quadrant
The value of is negative
Step 1
Find the value of
Remember
we have
substitute
------> remember that the value is negative
Step 2
Find the value of
we have
substitute
Asked by maham237 @ in Mathematics viewed by 325 persons
Asked by maham237 @ in Mathematics viewed by 397 persons
Asked by maham237 @ in Mathematics viewed by 312 persons
Asked by admin @ in Math viewed by 311 persons
Asked by maham237 @ in Mathematics viewed by 291 persons
Asked by maham237 @ in Mathematics viewed by 355 persons
Asked by admin @ in Math viewed by 310 persons
Asked by admin @ in Math viewed by 273 persons
Asked by admin @ in Math viewed by 390 persons
Asked by admin @ in Math viewed by 297 persons
Asked by admin @ in Math viewed by 431 persons
Asked by admin @ in Math viewed by 454 persons
Asked by admin @ in Math viewed by 314 persons
Asked by admin @ in Math viewed by 298 persons
Asked by admin @ in Math viewed by 320 persons
Asked by maham237 @ in Mathematics viewed by 18341 persons
Asked by admin @ in Mathematics viewed by 8139 persons
Asked by admin @ in Mathematics viewed by 5764 persons
Asked by maham237 @ in Mathematics viewed by 3929 persons
Asked by maham237 @ in Mathematics viewed by 3246 persons
Asked by maham237 @ in Mathematics viewed by 2918 persons
Asked by maham237 @ in Mathematics viewed by 2780 persons
Asked by maham237 @ in Mathematics viewed by 2572 persons
Asked by maham237 @ in Mathematics viewed by 2473 persons
Asked by maham237 @ in Mathematics viewed by 2423 persons
Asked by maham237 @ in Mathematics viewed by 2413 persons
Asked by maham237 @ in Mathematics viewed by 2068 persons
Asked by maham237 @ in Mathematics viewed by 1788 persons