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Popular >

cos^2(25)-sin^2(25)

Solution

cos^{2} (2 5^{\circ}) - sin^{2} (2 5^{\circ})

Solution

0.64278 \dots

Solution steps

cos^{2} (2 5^{\circ}) - sin^{2} (2 5^{\circ})

Refine to a decimal form

= 0.64278 \dots

Popular Examples

tan (6 2^{\circ}) (15)

(2(cos(30)+isin(30)))/(3(cos(60)+isin(60)))

\frac{2 ( cos ( 3 0 ^{\circ} ) + i sin ( 3 0 ^{\circ} ) )}{3 ( cos ( 6 0 ^{\circ} ) + i sin ( 6 0 ^{\circ} ) )}

arccot (tan (6))

-2cos((11pi)/6)

- 2 cos (\frac{11 π}{6})

arcsin((50sin(25))/(35))

arcsin (\frac{50 sin ( 2 5 ^{\circ} )}{35})

Frequently Asked Questions (FAQ)

What is the value of cos^2(25)-sin^2(25) ?
The value of cos^2(25)-sin^2(25) is 0.64278…