Math, asked by rakshitha319, 7 months ago

1+cos 10+ cos20+ cos 50

Answers

Answered by YUVILOVE2009

11

Answer:

The value of cos^2 10^0-cos10^0cos50^0+cos^2 50^0 is equal to 4,3 (b) 1,3 (c) 3,4 (d) 3.

Missing: cos20+ ‎| Must include: cos20+

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