Question

5.
Without using trigonometric tables, find the value of the following
expression :
sec (90° - 0).cosec 0 -tan (90°- 0) cot + cos² 25° + cos65° by
3 tan 27º. tan 63°​

Answer 1

Answer:

Use the trigonometric ratios of complementary angles and trigonometric identities to solve this.