Question

+
cos 0°
22. Prove the following:
tan 45°
(i)
sec 60° 2 sin 90° 1
cosec 30°
cot 45°
2
cos O
sin e
(ii)
+
= 2
sin (90°- 0) (cos 90°- 0)
cot (90°- A) sec A cot: A
(iii)
cosec2 A
= cosec (90° - A).
sin? (90°- A)
Х​

Answer 1

Answer:

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