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Question no. 2 and 3 Solve only these 2 ๐Ÿ˜Š.......................................

Question no. 2 and 3
Solve only these 2
๐Ÿ˜Š.......................................

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Grade:11

1 Answers

Arun
25750 Points
5 years ago
Dear student
ย 
cos 2 x = 1 โ€“ tan^2 x / 1 + tan^2 x
ย = 1 โ€“ t^2 / 1 + t^2
ย 
sin2x = 2 t / 1 โ€“ t^2
ย 
Regards
Arun

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