Question

Express sec 50 + cot 78 in terms of t-ratios of angle between 0degree to 45 degree

Answer 1

sec50° is cosec(90°-50°)

cot78° is tan(90°-78°)

the answer is..

cosec40° + tan12°

Answer 2

Answer:

Step-by-step explanation

:sec 50=cosec(90-50)

=cosec 40

Cot 78=tan(90-78)

=tan12

Sec50+cot78=cosec 40+tan 12