Math, asked by SaiPurnendh, 8 months ago

If cos θ=3/5
then find cos 2θ and cos 3θ?

Answers

Answered by deepikaaditi4

1

Answer:

cos20= 6/5 cos30=9/5

Step-by-step explanation:

cos0=3/5 that is B/H

from here p=4

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