Question

solve the following question.
cos 90'+ sin 90' -tan 45' =
​

Answer 1

Answer:

Cos 90 ' = 0

Sin 90' = 1

Tan 45' = 1

cos 90'+ sin 90' -tan 45' = 0 + 1 - 1 = 0

Answer 2

Step-by-step explanation:

Cos 90 = 0

Sin 90 = 1

tan 45 = 1

therefore cos 90 + sin 90 - tan 45= 0+1-1=0