Question

sin (-30°) + cos (-60°)​

Answer 1

Answer:

Thanks me guys....

Sin30°=1/2

Cos60°=1/2

Hence,

Sin(-30°)=-1/2

Cos(-60°)=-1/2

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$\frac{ - 1}{2} + \frac{ - 1}{2}$

$\frac{ - 1- 1}{2}$

$\frac{ - 2}{2}$

$- 1$

Hence,_-1___ is your correct answer.....

Answer 2

Answer:

THE ANSWER IS

–1

Explanation:

SIN(–30°)+COS(–60)

SIN30°=1/2

And

COS60°IS ALSO 1/2

THERE FORE

IN QUESTION –30+(–60)

–1/2+(–1/2)

–1/2–1/2

–1

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