24
cos2 20° + cos2 70°
Evaluate : -
70
sin? 31° + sin 2 59°
+ sin? 64° + cos 64° sin 26°
OR
Evaluate: 11 sin 70° 4 cos 53° cosec37°
7 cos 20° 7 tan 15° tan 35º tan 55º tan 75°
6
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Answer:
1.....................tan
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