Advertisements
Advertisements
Question
2 tan 45° + cos 45° − sin 45° = ?
Options
0
1
2
3
MCQ
Solution
2
Explanation:
2 tan 45° + cos 45° − sin 45°
= `2 xx 1 + 1/sqrt2 - 1/sqrt2`
= `2 + (1 - 1)/sqrt2`
= `2 + (0)/sqrt2`
= 2
shaalaa.com
Trigonometric Ratios of 30° and 60° Angles
Is there an error in this question or solution?
Chapter 8: Trigonometry - Problem Set 8 [Page 113]
APPEARS IN
RELATED QUESTIONS
Find the values of -
5 sin 30° + 3 tan 45°
Find the values of -
`4/5` tan2 60° + 3sin2 60°
Find the values of -
2 sin 30° + cos 0° + 3 sin 90°
Find the values of -
`[tan 60°]/[sin 60° + cos 60°]`
Find the values of -
cos2 45° + sin2 30°
Find the values of -
cos 60° × cos 30° + sin 60° × sin 30°
If sin θ = `4/5` then find cos θ.
If cos θ = `15/17` then find sin θ.
Which of the following is the value of sin 90°?
