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The sine of $90$ equals $1$
Learn how to solve simplify trigonometric expressions problems step by step online.
$1+\cos\left(90\right)$
Learn how to solve simplify trigonometric expressions problems step by step online. Simplify the trigonometric expression sin(90)+cos(90). The sine of 90 equals 1. The cosine of 90 equals 0. Add the values 1 and 0.