2.2.Fnd
the value of (Sin45° + Cos45°).
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Appropriate Question :-
Find the value of :-
Answer :-
- (sin 45° + cos 45°) = √2
Step-by-step explanation:
To Find :-
- The value of
★ Solution
By using the trigonometric ratio of
[sin 45° = 1/√2], We get,
By using the trigonometric ratio of
[cos 45° = 1/√2], We get,
By simplifying them,
By rationalising the denominator,
multiplying the denominator and numerator with [√2], We get,
By cancelling [2] from both numerator and denominator, We get,
Hence,
Things to remember :-
- sin 45° = 1/√2
- cos 45° = 1/√2
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