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Popular >

simplify sin(90-x)cos(x)

Solution

simplify

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

Solution

cos^{2} (x)

Solution steps

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

Rewrite using trig identities

= cos (x) cos (x)

Simplify

cos (x) cos (x) : cos^{2} (x)

= cos^{2} (x)

Popular Examples

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tan (arctan (\frac{x}{4}))

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\frac{x}{tan ( 4 5 ^{\circ} + y )}

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sin^{4} (π - θ)

Frequently Asked Questions (FAQ)

What is sin(90-x)cos(x) ?
The solution to sin(90-x)cos(x) is cos^2(x)