Correct, assuming you work in degrees,
1+tan²(5°)-csc²(85°)
=1+tan²(5°)-sec²(90-85°)
=sec²(5°)-sec²(5°)
=0
1 + tan^2 (5) - csc^2 (85) = ?
Would this equal 0
could someone explain this to me and the correct answer?
1 answer
1 answer