E = 4 cos28° cos 29° sin 33° + cos 66° – cos 58° – cos 56° = 

E = 4 cos28° cos 29° sin 33° + cos 66° - cos 58° - cos 56° = 

  1. A

    0

  2. B

    1

  3. C

    -1

  4. D

    2

    Register to Get Free Mock Test and Study Material

    +91

    Verify OTP Code (required)

    I agree to the terms and conditions and privacy policy.

    Solution:

    4cos28°cos29°sin33° =22cos28°cos29°sin33° =2cos57°+cos1°sin33° =2cos57°+sin33°+2cos1°sin33° =sin90°-sin24°+sin34°+sin32° =1-cos66°+cos56°+cos58°

                                                           :E=1

    Chat on WhatsApp Call Infinity Learn

      Register to Get Free Mock Test and Study Material

      +91

      Verify OTP Code (required)

      I agree to the terms and conditions and privacy policy.