What is (1+sin(a))(1-sin(a))-cos^2(a) ?

The solution to (1+sin(a))(1-sin(a))-cos^2(a) is 0

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simplify (1+sin(a))(1-sin(a))-cos^2(a)

simplify

(1 + sin (a)) (1 - sin (a)) - cos^{2} (a)

0

Solution steps

(1 + sin (a)) (1 - sin (a)) - cos^{2} (a)

Expand

(1 + sin (a)) (1 - sin (a)) : cos^{2} (a)

= cos^{2} (a) - cos^{2} (a)

Add similar elements:

cos^{2} (a) - cos^{2} (a) = 0

= 0

(9 cos (t) sin (t) + 9 cos^{2} (t))^{2}

- \frac{( 5 x ^{2} + 3 x + 17 )}{( x - 1 ) ( x ^{2} + 4 )}

\frac{( - 7 s + 27 )}{2 ( s ^{2} - 2 s + 5 )}

\frac{( - 2 ) ^{x + 1} x ^{2}}{( x + 1 ) ^{2} \cdot 2 ^{x}}

(0, 9 + 3, 7 n - (- 11), 2) (3, 8 m^{2} n^{3})

What is (1+sin(a))(1-sin(a))-cos^2(a) ?
The solution to (1+sin(a))(1-sin(a))-cos^2(a) is 0