Evaluate the following
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cos^2 30° is (cos 30°)^2
= (√3/2)^2 = 3/4....
sin^2 45° = (sin 45)^2
= (1/√2)^2 = 1/2....
tan^2 60 = (tan 60)^2
= (√3)^2 = 3....
Finally, cos 90 is 0....
So, the value of this expression is
3/4 + 1/2 - (1/3 * 3) + 0
= 3/4 + 1/2 - 1
1/4....
Thanks for asking......
Hope this helps......
Feel free to ask any doubts
= (√3/2)^2 = 3/4....
sin^2 45° = (sin 45)^2
= (1/√2)^2 = 1/2....
tan^2 60 = (tan 60)^2
= (√3)^2 = 3....
Finally, cos 90 is 0....
So, the value of this expression is
3/4 + 1/2 - (1/3 * 3) + 0
= 3/4 + 1/2 - 1
1/4....
Thanks for asking......
Hope this helps......
Feel free to ask any doubts
Answered by
0
hello mate, I hope this helps u.
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