What is the value of(\cos^2 35^\circ+ \cos^2 55^\circ)?

SSC CPO SI and ASI Model Paper 5

Question : 122 of 200

Marks: +1, -0

What is the value of

(cos^2 35°+ cos^2 55°)?

Solution:

(2)

(cos^2 35° + cos^2 55°)

= cos^2 35° + cos^2 (90° – 35°)

= cos^2 35° + sin^2 35° = 1

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