Question

tan 0+ sec 0-1
tan 0-sec 0 +1
1+sin 0
cos 0​

Answer 1

Step-by-step explanation:

tan+sec-1/tan-sec+1

=(tan+sec)-(sec²-tan²)/tan-sec+1

=(sec+tan)(1-sec+tan)/(tan-sec+1)

=sec+tan

=1+sin/cos