PLZZZ ANSWER THE QUESTION... PLZZZ WITH SOLUTION...
Attachments:
Answers
Answered by
2
cos²45 - cos²30 = x*Cos45*Sin45
By Putting values from Trigonometric table
(√2/2)² - (√3/2)² = x*1/√2*1/√2
so, 2/4 - 3/4 = x*1/2
so, -1/4 = x*1/2
so, x = -2/4 = -1/2
By Putting values from Trigonometric table
(√2/2)² - (√3/2)² = x*1/√2*1/√2
so, 2/4 - 3/4 = x*1/2
so, -1/4 = x*1/2
so, x = -2/4 = -1/2
Similar questions