en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify sin(90-a)

Solution

simplify

sin (9 0^{\circ} - a)

Solution

cos (a)

Solution steps

sin (9 0^{\circ} - a)

Rewrite using trig identities

= cos (a)

Popular Examples

simplify tan(arccos(x/3))simplify

tan (arccos (\frac{x}{3}))

simplify tan(arcsin(x/5))simplify

tan (arcsin (\frac{x}{5}))

simplify cos(pi-npi)simplify

cos (π - nπ)

simplify sqrt(4-4sin^2(x))simplify

4 - 4 sin^{2} (x)

simplify cos(arcsin(x/5))simplify

cos (arcsin (\frac{x}{5}))

Frequently Asked Questions (FAQ)

What is sin(90-a) ?
The solution to sin(90-a) is cos(a)