What is cos(90-x)-sin(x) ?

The solution to cos(90-x)-sin(x) is 0

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simplify cos(90-x)-sin(x)

simplify

cos (9 0^{\circ} - x) - sin (x)

0

Solution steps

cos (9 0^{\circ} - x) - sin (x)

Rewrite using trig identities

= sin (x) - sin (x)

Add similar elements:

sin (x) - sin (x) = 0

= 0

sin (\frac{3 π}{2} - A)

cos (10 π - x)

sin (2 π \cdot 1 \cdot t - 0.25 π)

cot (- 1 (n + 1) - cot (- 1 (n)))

(1 + cot^{2} (5 x)) d x