These are the value of trigonometry ratios.... We should substitute in the following question
The question is (sin90°+cos 60°+cos45°)×(sin30°_cos0°+cos45°)
And the answer is 7/4
Attachments:
Answers
Answered by
2
so what to do with this....
Answered by
1
{1+(1/2)+(1/√2)}×{(1/2)-1+(1/√2)}
{3/2+(1/√2)}×{(1/√2)-(1/2)}
-(3/4)+(1/2)+(1/√2)
(1/√2)-(1/4)
(2√2-1)/4
{3/2+(1/√2)}×{(1/√2)-(1/2)}
-(3/4)+(1/2)+(1/√2)
(1/√2)-(1/4)
(2√2-1)/4
vaishnavi8575:
but the answer is 7 /4
are you sure you asked the question correctly??
yes
maybe a little bit of plus minus mistake is there in question
OK wait I will check
yes the question is correct only
only?
Similar questions