Question

Prove that cos 20• / sin 70• + cos theta / sin ( 90 - theta ) = 2

Answer 1

Answer:

Step-by-step explanation:

Here is the answer

Answer 2

cos20/sin70 + cos theta/sin(90-theta)

= sin(90-70)/sin70 + cos theta/cos theta

=sin70/sin70+1

=1+1

=2

Hence proved