Question

please help me out with this.

spam --- report.​

Answer 1

Step-by-step explanation:

cosec 67 tan is no more tand 23

sec2 20(.one)

Answer 2

Answer:

sec 2(90°-67°) - tan²23 / cosec²(90-20)- cot²70

= sec²27 - tan²23/cosec²70- cot²70

=1/1

=1