Question 1:
Evaluate
Answer:
(III)cos 48° − sin 42° = cos (90°− 42°) − sin 42°
= sin 42° − sin 42°
= 0
(IV) cosec 31° − sec 59° = cosec (90° − 59°) − sec 59°
= sec 59° − sec 59°
= 0
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Question 1:
Evaluate
Answer:
(III)cos 48° − sin 42° = cos (90°− 42°) − sin 42°
= sin 42° − sin 42°
= 0
(IV) cosec 31° − sec 59° = cosec (90° − 59°) − sec 59°
= sec 59° − sec 59°
= 0
Latest Govt Job & Exam Updates: