Mathematics, 18.07.2019 04:00 lil2524
Need with simplifying trig equations? i attempted them but i don't know how to complete them
Answers: 1
![\bf \textit{Pythagorean Identities} \\ \quad \\ sin^2(\theta)+cos^2(\theta)=1 \\ \quad \\ 1+cot^2(\theta)=csc^2(\theta)\implies 1-csc^2(\theta )=-cot^2(\theta ) \\ \quad \\ 1+tan^2(\theta)=sec^2(\theta)\\\\ -------------------------------\\\\ 1)\\\\ \cfrac{[tan(\theta)+1][tan(\theta)+1]-sec^2(\theta)}{tan(\theta)} \\\\\\ \cfrac{tan^2(\theta)+2tan(\theta)+1-sec^2(\theta)}{tan(\theta)}](/tpl/images/0102/6269/8a866.png)
![\bf \cfrac{\boxed{tan^2(\theta)+1}+2tan(\theta)-sec^2(\theta)}{tan(\theta)} \\\\\\ \cfrac{\underline{\boxed{sec^2(\theta)}}+2tan(\theta)\underline{-sec^2(\theta)}}{tan(\theta)}\implies \cfrac{2tan(\theta)}{tan(\theta)}\implies 2\\\\ -------------------------------\\\\ 2)\\\\ \cfrac{5cos^2(\theta)+6(\theta)+1}{cos^2(\theta)-1}\implies \cfrac{[5cos(\theta)+1]\underline{[cos(\theta)+1]}}{[cos(\theta)-1]\underline{[cos(\theta)+1]}} \\\\\\ \cfrac{5cos(\theta)+1}{cos(\theta)-1}](/tpl/images/0102/6269/30ebd.png)
![\bf -------------------------------\\\\ 3)\\\\\ [1+cot(\theta )][1-cot(\theta )]-csc^2(\theta )\implies [1^2-cot^2(\theta )]-csc^2(\theta ) \\\\\\ \boxed{1-csc^2(\theta )}-cot^2(\theta )\implies \boxed{-cot^2(\theta )}-cot^2(\theta )\implies -2cot^2(\theta )](/tpl/images/0102/6269/a23ea.png)
Another question on Mathematics
Mathematics, 21.06.2019 20:30
Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0
Answers: 2
Mathematics, 21.06.2019 21:10
Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points
Answers: 1
Mathematics, 21.06.2019 23:30
The perimeter of an equilateral triangle is 4 cm more than the perimeter of a square and the length of a side of the triangle is 8 cm more than the length of a side of the aware. find the length of a side of the equilateral triangle
Answers: 1
You know the right answer?
Need with simplifying trig equations? i attempted them but i don't know how to complete them...
Questions
Mathematics, 02.03.2021 01:00
Mathematics, 02.03.2021 01:00
Mathematics, 02.03.2021 01:00
Chemistry, 02.03.2021 01:00
Mathematics, 02.03.2021 01:00
Mathematics, 02.03.2021 01:00
Health, 02.03.2021 01:00
Chemistry, 02.03.2021 01:00
Mathematics, 02.03.2021 01:00
