Question

sin + cos =?
answer it fast​

Answer 1

Answer:

In mathematics, an "identity" is an equation which is always true. These can be "trivially" true, like "x = x" or usefully true, such as the Pythagorean Theorem's "a2 + b2 = c2" for right triangles. There are loads of trigonometric identities, but the following are the ones you're most likely to see and use.

Explanation:

Answer 2

Answer:

Sin + cos =1

Explanation: