Math, asked by angelmary582, 1 year ago

evaluate sin (50-theta)-cos(40-theta)+tan 1.tan 10.tan 20.tan70.tan80.tan89

Answers

Answered by RIYA4562

0

Answer:

$\geq SinEX 9.3 Q1F cos50 + thetaEvaluate40+theta40— theta240+coscos$

Step-by-step explanation:

Answered by arjun004

1

Answer:

Ans=1

Step-by-step explanation:

sin(50-¥)-sin(90-40-¥)=0

tan1=cot89

tan20=cot70

tan10=cot80

since tanAcotA=1,

LHS=1+0

=1

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