Question

(i)show that
sec 53° sin 53° tan 37° = 1 ​

Answer 1

Step-by-step explanation:

cos 53=3/5

therefore sec 53=5/3

sin 53=4/5

tan 37=3/4

sec 53 × sin 53 × tan 53=5/3×4/5×3/4

=4/3×3/4

=1

hence proved!!!