Csc is the inverse of sin. This means the formula in regards to a triangle for csc is h/o, unlike o/h for sin. csc can also be knows as 1/sin.
<h3>E
xplanation:</h3>
Replace cos^2(θ) with 1-sin^2(θ), and cot(θ) with cos(θ)/sin(θ).
cos^2(θ)cot^2(θ) = cot^2(θ) - cos^2(θ)
(1 -sin^2(θ))cot^2(θ) = . . . . . replace cos^2 with 1-sin^2
cot^2(θ) -sin^2(θ)·cos^2(θ)/sin^2(θ) = . . . . . replace cot with cos/sin
cot^2(θ) -cos^2(θ) = cot^2(θ) -cos^2(θ) . . . as desired
3/8 + 5/2
=3/8 + 20/8
= 23/8
or
= 2 7/8
Proportionality to solve problems<span>, including those with tables and </span>graphs<span>. .... </span>Use<span> the recipe to write each </span>ratio<span> as a fraction in simplest form. ... 2 </span>Determine whether<span> the </span>ratios<span> 250 miles in 4 hours and 500 miles in. </span>8<span> .... Trees </span>Left<span> to Grow ... </span>Check<span> your </span>solution<span>. .... At this </span>rate<span>, how </span>many<span> faces can</span>she<span> paint in 40 minutes?</span>
