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The value of $(\cos 90^\circ - \sin 90^\circ)$ is:
- (a)-1
- (b)greater than 0
- (c)equal to the value of $\tan 45^\circ$
- (d)0
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Ans. (A) -1
The value of ( 90° - 90°) is:
CBSE Class 10 Maths PYQ · Trigonometry · Specific Angles Expression · 1 Mark · March 2026 · Basic
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