Trigonometry

Evaluate the following expression, writing your answer correct to 2 decimal places.

$\sin69^\circ$`s``i``n`69°

Easy

< 1min

Evaluate the following expression. Write your answer correct to one decimal place.

Easy

< 1min

Evaluate the following expression, writing your answer correct to two decimal places.

Easy

1min

Evaluate the following expression using your calculator. Write your answer correct to two decimal places.

Medium

< 1min

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Determine, through investigation , the relationship between the ratio of two sides in a right triangle and the ratio of the two corresponding sides in a similar right triangle, and define the sine, cosine, and tangent ratios