Which of the following is an identity? sinBsecBcotB = sin²B/cos²B sinBsecBcotB = 1 sinBsecBcotB = cotB

Q: Simplify Cos(90°^2+theta)

A: Simplify the following

Q: Find exact value of cos67.5°

A: Given that: cos(67.5°)

Q: Explain the product identity of sine and cosine

A: The process of converting sums into products or products into sums can make a…

Q: Find the third side in sin

A:

Q: Create 2 identity’s that Make use of the Pythagorean identity’s and were you need to rewrite one…

A:

Q: Draw 45 0 and 245 0 in standard position and then show that cos (-45 0)  = cos 45 0

A: Consider the given: Draw the 45° angle:

Q: What is cos75° using the sum or difference identity O A. sin30°sin45° - cos30°cos45° O B.…

A:

Q: sin x sin y =

A:

Q: Tan 60° = CD/80-x

A:

Q: Draw graphs to show the difference in sine and cosine functions.

A: Consider the functions y=sin x  and   y=cos x. Sketch the graph of both functions as shown below.

Q: The sine of 80° has the same value as sine of 100. O True O False

A:

Q: Evaluate

A: Given: sin5π12

Q: Evaluate the exact value of cos sin 61

A:

Q: tan 60° cos 629 sin 26°

A: