en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular Trigonometry >

2cos^2(37)-1

Solution

2 cos^{2} (3 7^{\circ}) - 1

Solution

0.27563 \dots

Solution steps

2 cos^{2} (3 7^{\circ}) - 1

Refine to a decimal form

= 0.27563 \dots

Popular Examples

-2(3.27)-e^{-0.54}sin(3.27)

- 2 (3.27) - e^{- 0.54} sin (3.27)

sec(30)-csc(24)

sec (3 0^{\circ}) - csc (2 4^{\circ})

12 sin (5 5^{\circ})

cos(pi/6)+tan(pi/3)+3csc(pi/4)-6tan(pi/4)

cos (\frac{π}{6}) + tan (\frac{π}{3}) + 3 csc (\frac{π}{4}) - 6 tan (\frac{π}{4})

(cos(pi/2)-cos((4pi)/3))/(2sin((5pi)/6))

\frac{cos ( \frac{π}{2} ) - cos ( \frac{4 π}{3} )}{2 sin ( \frac{5 π}{6} )}

Frequently Asked Questions (FAQ)

What is the value of 2cos^2(37)-1 ?
The value of 2cos^2(37)-1 is 0.27563…