Math, asked by ameya97, 1 year ago

Evaluate : 3tan250.tan40°.tan50°.tan65º – tan60°
4( cos29° + cos261°)

Answers

Answered by ramashanker999014874

0

Step-by-step explanation:

(3tan 25°.tan65°.tan 40°.tan50°) - 4(cos29°+cos61°)

(3cot65°.tan .tan40°.cot40°) - 4(sin61° + cos61°)

3 x 1 x 1 - 4 x 1

3 - 4 = -1

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