$\frac{1}{1 + \sin( \alpha ) } \frac{1}{1 - \sin( \alpha ) } \\ \frac{1 - \sin( \alpha ) + 1 + \sin( \alpha ) }{(1 + \sin( \alpha ))(1 - \sin( \alpha )) } \\ = \frac{2}{1 - {sin}^{2} \alpha } \\ \frac{2}{ {cos}^{2} \alpha } = 2 \: {sec}^{2} \alpha$

3 0

2 years ago

I need help using cosine and sine ratios to find the missing side lengths

aniked [119]

I hope this is helpful

8 0

3 years ago

Please help with explanation and show work :)

ANEK [815]

3. A=bh/2
2A=bh
h=2A/b.

8. Dy-Cx=E
Dy=E+Cx
y=(E+Cx)/D

3 0

3 years ago

George and his dad are planning to attend the state fair. An adult ticket is $19.00. The price of an adult ticket is one third t

vovikov84 [41]

Answer:

$19 × 3 + $15 + $1=answer? I think

7 0

2 years ago