Explain why sin (-pi) equals -1 not 1

1 answer:

5 0

The inverse sin of 1, ie sin-1 (1) is a very special value for the inverse sine function. Remember that sin-1(x) will give you the angle whose sine is x . Therefore, sin-1 (1) = the angle whose sine is 1.

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algol13

Answer:

Step-by-step explanation:

Here the trick is to perform the indicated operations in the correct order. Anything inside parentheses must be done first, followed by any multiplication or division, followed by any addition or subtraction.

Doing the work inside parentheses first:

(3 × 22) ÷ 6 + [28 – (4)2] => (66) ÷ 6 + [28 - 8], or

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Answer:

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Step-by-step explanation:

simplify step-by-step.

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Answer:

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Step-by-step explanation:

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You have shared 4 equations here. Next time, please separate them with commas or semi colons, or type just 1 equation per line, for increased clarity. Thanks.

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Step-by-step explanation:

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