This question is from the Book- ML Aggarwal
Chapter- Trigonometric Identities
This ques has been asked in 2012 exam. So it is very important ques for this point of view.
Without using trigonometric tables, evaluate the following (6 to 10):
6. (i) cos2 26o + cos 64o sin 26o + (tan 36o/ cot 54o)
(ii) (sec 17o/ cosec 73o) + (tan 68o/ cot 22o) + cos2 44o + cos2 46o
Class10th ML Aggarwal, ICSE board