Question

Write the complementary angel for the cosine that makes the equation equal

Answer 1

Step 1 :

In this question, we are meant to use the calculator to check if the sine of the angle is correct.

Step 2 :

Using the complimentary property of sine and cosine, we have the following equations:

`\sin \text{ }\theta\text{ = cos ( 90 - }\theta\text{ )}`
`\sin \text{ ( 57 ) = cos ( 90 - 57 ) = cos ( 33)}`

CONCLUSION:

`\sin \text{ ( 57 ) = cos ( 33 )}`