prove that 1+2 sin2=0cos20 1+3 tan20prove this sir i am not getting this
prove that 1+2 sin2=0cos20
1+3 tan20
prove this sir i am not getting this
tauseef , 7 Years ago
Grade 12th pass
Trigonometry> prove that 1+2 sin 2 0 = cos 2 0 1+3 tan ...
1 Answers
Arun
Dear Tauseef
LHS
1 + sin² 0°
Now as sin 0° = 0
Hence
1 + 0 = 1 = cos ² 0°
Now
1 + 3 tan²0°
= 1 + 0 = 1 = cos² 0°
Regards
Arun (askIITians forum expert)
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