Question
Assume that $$\cos t=-2 / 5 \quad \text { and } \quad \pi<t<3 \pi / 2$$ Use identities to find the number.$$\tan (4 \pi-t)$$
Step 1
Step 1: Given that $\cos t=-2 / 5$ and $\pi<t<3 \pi / 2$, we know that $t$ is in the third quadrant where both cosine and sine are negative. Show more…
Show all steps
Your feedback will help us improve your experience
Suman Saurav Thakur and 93 other Precalculus educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Assume that $$\cos t=-2 / 5 \quad \text { and } \quad \pi<t<3 \pi / 2$$ Use identities to find the number. $$\tan t$$
Trigonometric Functions
Algebra and Identities
Assume that $$\cos t=-2 / 5 \quad \text { and } \quad \pi<t<3 \pi / 2$$ Use identities to find the number. $$\sin (4 \pi+t)$$
Assume that $$\cos t=-2 / 5 \quad \text { and } \quad \pi<t<3 \pi / 2$$ Use identities to find the number. $$\cos (2 \pi-t)$$
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD